Outpatient Submit with Specimen

Collect

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

Outpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

Unacceptable Conditions

Clotted specimen, Centrifuged specimen, Frozen specimen, Wrong collection tube

Stability

Whole blood: Room temperature 24 hour(s)
Whole blood: Refrigerated 72 hour(s)

Sorted cells: Room temperature 24 hour(s)

Remarks

This test is only available for patients who have had a single stem cell transplant using a sex-mismatched donor. 

Submission of a completed BMT Engraftment/Chimerism Test Requisition Form is required; The requisition form must provide:

  • Transplant date
  • Donor's two unique identifiers, such as donor name and donor DOB, or two ID numbers associated with the donor if anonymous donor from the donor registry is used. 
  • Donor's genetic sex

All samples should be labeled with specimen type (e.g. blood). 

Whole blood testing must be performed from 4 mL Sodium Heparin (NaHep) blood.

SORTED CELLS ORDERING: 

  • Please see XSORT entry for further additional information on sorted cells. 

If analysis of sorted cells is requested, please indicate on the Test Requisition Form:

  • The types of cells requested: CD3/CD33 vs. CD3/CD33/CD19/CD56.
  • Whether testing is requested on: 1) whole blood AND sorted cells, 2) whole blood ONLY, or 3) sorted cells ONLY.

SORTED CELLS SAMPLE COLLECTION:

  • Only peripheral blood samples can be used for cell sorting. Bone marrow samples CANNOT be used. 
Sorted Cell Specimen Requirements
Sorted Cell TypesSpecimen Container & VolumeCollection Time
CD3/CD33Minimum of 4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus

CD3/CD33/CD19/CD56Minimum of 2x4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus


Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Days Performed

Monday through Friday

Set Up Schedule

All tests not performed daily.

Typical Turnaround

1 week

Lab Area

Institute for Genomic Medicine

Methodology

Fluorescence in situ hybridization (FISH)

CPT Codes

88275, 88271

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test

Collect

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

Minimum Volume

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

 

Inpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

Unacceptable Conditions

Clotted specimen, Centrifuged specimen, Frozen specimen, Wrong collection tube

Stability

Whole blood: Room temperature 24 hour(s)
Whole blood: Refrigerated 72 hour(s)

Sorted cells: Room temperature 24 hour(s)

Remarks

This test is only available for patients who have had a single stem cell transplant using a sex-mismatched donor. 

Submission of a completed BMT Engraftment/Chimerism Test Requisition Form is required; The requisition form must provide:

  • Transplant date
  • Donor's two unique identifiers, such as donor name and donor DOB, or two ID numbers associated with the donor if anonymous donor from the donor registry is used. 
  • Donor's genetic sex

All samples should be labeled with specimen type (e.g. blood). 

Whole blood testing must be performed from 4 mL Sodium Heparin (NaHep) blood.

SORTED CELLS ORDERING: 

  • Please see XSORT entry for further additional information on sorted cells. 

If analysis of sorted cells is requested, please indicate on the Test Requisition Form:

  • The types of cells requested: CD3/CD33 vs. CD3/CD33/CD19/CD56.
  • Whether testing is requested on: 1) whole blood AND sorted cells, 2) whole blood ONLY, or 3) sorted cells ONLY.

SORTED CELLS SAMPLE COLLECTION:

  • Only peripheral blood samples can be used for cell sorting. Bone marrow samples CANNOT be used. 
Sorted Cell Specimen Requirements
Sorted Cell TypesSpecimen Container & VolumeCollection Time
CD3/CD33Minimum of 4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus

CD3/CD33/CD19/CD56Minimum of 2x4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus


Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Days Performed

Monday through Friday

Set Up Schedule

All tests not performed daily.

Typical Turnaround

1 week

CPT Codes

88275, 88271

Lab Area

Institute for Genomic Medicine

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test

Estimated Patient Price

< $1,000

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test

CPT Codes

88275, 88271

Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Methodology

Fluorescence in situ hybridization (FISH)

Outpatient Submit with Specimen

Collect

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

Minimum Volume

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

 

Inpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

Outpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

InLab Processing

STAT/TIME SENSITIVE SPECIMEN. For Non-EPIC lab orders CPA needs to order SGENSP and XSORT in Sunquest. Send minimum 4mL NaHep or 4mL EDTA to send out lab with XSORT label. Send 4 mL NaHep to the Institute for Genomic Medicine with SGENSP. If questions please call IGM at 25321. Send out lab- see XSORT entry for OSU sorted cells requisition. If order states a CTL infusion has taken place, please reach out to IGM prior to sending sorted cells.

Stability

Whole blood: Room temperature 24 hour(s)
Whole blood: Refrigerated 72 hour(s)

Sorted cells: Room temperature 24 hour(s)

Unacceptable Conditions

Clotted specimen, Centrifuged specimen, Frozen specimen, Wrong collection tube

Days Performed

Monday through Friday

Set Up Schedule

All tests not performed daily.

Typical Turnaround

1 week

Remarks

This test is only available for patients who have had a single stem cell transplant using a sex-mismatched donor. 

Submission of a completed BMT Engraftment/Chimerism Test Requisition Form is required; The requisition form must provide:

  • Transplant date
  • Donor's two unique identifiers, such as donor name and donor DOB, or two ID numbers associated with the donor if anonymous donor from the donor registry is used. 
  • Donor's genetic sex

All samples should be labeled with specimen type (e.g. blood). 

Whole blood testing must be performed from 4 mL Sodium Heparin (NaHep) blood.

SORTED CELLS ORDERING: 

  • Please see XSORT entry for further additional information on sorted cells. 

If analysis of sorted cells is requested, please indicate on the Test Requisition Form:

  • The types of cells requested: CD3/CD33 vs. CD3/CD33/CD19/CD56.
  • Whether testing is requested on: 1) whole blood AND sorted cells, 2) whole blood ONLY, or 3) sorted cells ONLY.

SORTED CELLS SAMPLE COLLECTION:

  • Only peripheral blood samples can be used for cell sorting. Bone marrow samples CANNOT be used. 
Sorted Cell Specimen Requirements
Sorted Cell TypesSpecimen Container & VolumeCollection Time
CD3/CD33Minimum of 4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus

CD3/CD33/CD19/CD56Minimum of 2x4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus


Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test

Methodology

Fluorescence in situ hybridization (FISH)

CPT Codes

88275, 88271

Estimated Patient Price

< $1,000

DC Code

5321

Downtime Availability

4-Not available
Outpatient Requirements

Outpatient Submit with Specimen

Collect

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

Outpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

Unacceptable Conditions

Clotted specimen, Centrifuged specimen, Frozen specimen, Wrong collection tube

Stability

Whole blood: Room temperature 24 hour(s)
Whole blood: Refrigerated 72 hour(s)

Sorted cells: Room temperature 24 hour(s)

Remarks

This test is only available for patients who have had a single stem cell transplant using a sex-mismatched donor. 

Submission of a completed BMT Engraftment/Chimerism Test Requisition Form is required; The requisition form must provide:

  • Transplant date
  • Donor's two unique identifiers, such as donor name and donor DOB, or two ID numbers associated with the donor if anonymous donor from the donor registry is used. 
  • Donor's genetic sex

All samples should be labeled with specimen type (e.g. blood). 

Whole blood testing must be performed from 4 mL Sodium Heparin (NaHep) blood.

SORTED CELLS ORDERING: 

  • Please see XSORT entry for further additional information on sorted cells. 

If analysis of sorted cells is requested, please indicate on the Test Requisition Form:

  • The types of cells requested: CD3/CD33 vs. CD3/CD33/CD19/CD56.
  • Whether testing is requested on: 1) whole blood AND sorted cells, 2) whole blood ONLY, or 3) sorted cells ONLY.

SORTED CELLS SAMPLE COLLECTION:

  • Only peripheral blood samples can be used for cell sorting. Bone marrow samples CANNOT be used. 
Sorted Cell Specimen Requirements
Sorted Cell TypesSpecimen Container & VolumeCollection Time
CD3/CD33Minimum of 4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus

CD3/CD33/CD19/CD56Minimum of 2x4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus


Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Days Performed

Monday through Friday

Set Up Schedule

All tests not performed daily.

Typical Turnaround

1 week

Lab Area

Institute for Genomic Medicine

Methodology

Fluorescence in situ hybridization (FISH)

CPT Codes

88275, 88271

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test
Inpatient Requirements

Collect

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

Minimum Volume

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

 

Inpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

Unacceptable Conditions

Clotted specimen, Centrifuged specimen, Frozen specimen, Wrong collection tube

Stability

Whole blood: Room temperature 24 hour(s)
Whole blood: Refrigerated 72 hour(s)

Sorted cells: Room temperature 24 hour(s)

Remarks

This test is only available for patients who have had a single stem cell transplant using a sex-mismatched donor. 

Submission of a completed BMT Engraftment/Chimerism Test Requisition Form is required; The requisition form must provide:

  • Transplant date
  • Donor's two unique identifiers, such as donor name and donor DOB, or two ID numbers associated with the donor if anonymous donor from the donor registry is used. 
  • Donor's genetic sex

All samples should be labeled with specimen type (e.g. blood). 

Whole blood testing must be performed from 4 mL Sodium Heparin (NaHep) blood.

SORTED CELLS ORDERING: 

  • Please see XSORT entry for further additional information on sorted cells. 

If analysis of sorted cells is requested, please indicate on the Test Requisition Form:

  • The types of cells requested: CD3/CD33 vs. CD3/CD33/CD19/CD56.
  • Whether testing is requested on: 1) whole blood AND sorted cells, 2) whole blood ONLY, or 3) sorted cells ONLY.

SORTED CELLS SAMPLE COLLECTION:

  • Only peripheral blood samples can be used for cell sorting. Bone marrow samples CANNOT be used. 
Sorted Cell Specimen Requirements
Sorted Cell TypesSpecimen Container & VolumeCollection Time
CD3/CD33Minimum of 4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus

CD3/CD33/CD19/CD56Minimum of 2x4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus


Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Days Performed

Monday through Friday

Set Up Schedule

All tests not performed daily.

Typical Turnaround

1 week

CPT Codes

88275, 88271

Lab Area

Institute for Genomic Medicine

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test

Estimated Patient Price

< $1,000
Overview/Billing

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test

CPT Codes

88275, 88271
Interpretation

Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Methodology

Fluorescence in situ hybridization (FISH)
NCH Lab Only

Outpatient Submit with Specimen

Collect

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred

Sorted cells (from blood)

4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

Minimum Volume

Specimen TypeType of ContainerVolume of SpecimenStatus
Whole blood4 mL Green tube (Sodium heparin), No Gel4 mLPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Green tube (Sodium heparin), No GelSee RemarksPreferred
Sorted cells (from blood)4 mL (CD3/CD33) or 2x4 mL (CD3/CD33/CD19/CD56) Purple tube (EDTA)See RemarksAlternate

 

Inpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

Outpatient Specimen Preparation

Whole blood: Do not centrifuge
                     Keep at room temperature
                     Do not freeze
                     Peripheral blood only, bone marrow not accepted

Sorted cells: See Remarks section for collection instructions
                     Specimen must be processed within 24 hours of collection
                     Peripheral blood only, bone marrow not accepted
                     Do not freeze
                     Do not centrifuge
                     Transport to the lab immediately after collection

InLab Processing

STAT/TIME SENSITIVE SPECIMEN. For Non-EPIC lab orders CPA needs to order SGENSP and XSORT in Sunquest. Send minimum 4mL NaHep or 4mL EDTA to send out lab with XSORT label. Send 4 mL NaHep to the Institute for Genomic Medicine with SGENSP. If questions please call IGM at 25321. Send out lab- see XSORT entry for OSU sorted cells requisition. If order states a CTL infusion has taken place, please reach out to IGM prior to sending sorted cells.

Stability

Whole blood: Room temperature 24 hour(s)
Whole blood: Refrigerated 72 hour(s)

Sorted cells: Room temperature 24 hour(s)

Unacceptable Conditions

Clotted specimen, Centrifuged specimen, Frozen specimen, Wrong collection tube

Days Performed

Monday through Friday

Set Up Schedule

All tests not performed daily.

Typical Turnaround

1 week

Remarks

This test is only available for patients who have had a single stem cell transplant using a sex-mismatched donor. 

Submission of a completed BMT Engraftment/Chimerism Test Requisition Form is required; The requisition form must provide:

  • Transplant date
  • Donor's two unique identifiers, such as donor name and donor DOB, or two ID numbers associated with the donor if anonymous donor from the donor registry is used. 
  • Donor's genetic sex

All samples should be labeled with specimen type (e.g. blood). 

Whole blood testing must be performed from 4 mL Sodium Heparin (NaHep) blood.

SORTED CELLS ORDERING: 

  • Please see XSORT entry for further additional information on sorted cells. 

If analysis of sorted cells is requested, please indicate on the Test Requisition Form:

  • The types of cells requested: CD3/CD33 vs. CD3/CD33/CD19/CD56.
  • Whether testing is requested on: 1) whole blood AND sorted cells, 2) whole blood ONLY, or 3) sorted cells ONLY.

SORTED CELLS SAMPLE COLLECTION:

  • Only peripheral blood samples can be used for cell sorting. Bone marrow samples CANNOT be used. 
Sorted Cell Specimen Requirements
Sorted Cell TypesSpecimen Container & VolumeCollection Time
CD3/CD33Minimum of 4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus

CD3/CD33/CD19/CD56Minimum of 2x4 mL peripheral blood in NaHep (green-top) or EDTA (purple top) tube

Monday-Thursday;

Friday collection must be done on Nationwide Children's Main Campus


Clinical Information

Bone marrow engraftment analysis by FISH, also known as XX/XY chimerism testing, involves determining the percentage of donor cells present in the recipient after bone marrow transplant (BMT) or hematopoietic stem cell transplantation (HSCT). FISH for XX/XY signals on interphase cells is done to monitor BMT/HSCT engraftment in recipients subsequent to a transplant using a sex-mismatched donor.

For BMT engraftment monitoring through molecular (DNA) genetic markers, please see test code BMPT (Post-Transplant Analysis, Bone Marrow Engraftment). Please call Institute for Genetics Medicine Clinical Laboratory at (614) 722-5321 with questions.

Synonyms

  • Chimerism FISH, XX/XY FISH, Chimerisms, BMT Chimerism FISH, Post-BMT FISH, Post BMT FISH, Sorted cell chimerism by FISH, Post bone marrow transplant FISH, Post HSCT FISH, Sex mismatch BMT FISH, Post transplant FISH chimerism, Post-BMT FISH, IGM Test

Methodology

Fluorescence in situ hybridization (FISH)

CPT Codes

88275, 88271

Estimated Patient Price

< $1,000

DC Code

5321

Downtime Availability

4-Not available

Lab Area

Lab Area
Institute for Genomic Medicine