LAB6090 (Single Antigen ID C1q, Class I) LAB6091 (Single Antigen ID C1q, Class II) LAB6092 (Single Antigen ID C1q, CI Kidney) LAB6093 (Single Antigen ID C1q, CII Kidney)
CPT Codes
86832 86833
Synonyms
16927
16928
16929
16930
C1q, C1q fixing HLA Class I and/or Class II Antibody
Histocompatibility
HLA
Test Includes
Identify and classify C1q complement fixing HLA Class I and/or Class II antibodies and their specificities. The specificity of the antibody is reported Test is performed by flow cytometry.
Performing Laboratory / Facility
UCLA Immunogenetics Center
Performing Section
Immunogenetics
Availability
Monday through Friday, 0800-1700
Turnaround Time
5 days
Methodology
Patient serum is tested against a population of specialized microparticles coupled with single purified C1q-fixing HLA Class I and/or Class II antigens. Reactions are detected by flow cytometry.
Use
Organ transplant candidates. The test identifies patients at risk for antibody-mediated damage to grafted organs or tissue.
Patient Preparation
Draw specimen before hemodialysis of patient.
Specimen Type
Blood
Container
Red
Collection Instructions
Deliver to Specimen Processing.
Volume
10 mL blood (5 mL serum)
Minimum Volume
Adult: 3 mL blood (1.5 mL serum) Pediatric: 1 mL blood (0.5 mL serum)
Stability
Keep blood at room temperature and transport samples as soon as possible after collection.
Shipping and Handling Instructions
Store at room temperature.
Causes for Rejection
Specimen grossly hemolyzed Improper labeling of tubes or requisition
Reference Range
C1q fixing HLA Class I and/or Class II specificity is reported.
Test Information
Orderable Test Codes
LAB6090 (Single Antigen ID C1q, Class I) LAB6091 (Single Antigen ID C1q, Class II) LAB6092 (Single Antigen ID C1q, CI Kidney) LAB6093 (Single Antigen ID C1q, CII Kidney)
CPT Codes
86832 86833
Synonyms
16927
16928
16929
16930
C1q, C1q fixing HLA Class I and/or Class II Antibody
Histocompatibility
HLA
Test Includes
Identify and classify C1q complement fixing HLA Class I and/or Class II antibodies and their specificities. The specificity of the antibody is reported Test is performed by flow cytometry.
Performing Laboratory / Facility
UCLA Immunogenetics Center
Performing Section
Immunogenetics
Availability
Monday through Friday, 0800-1700
Turnaround Time
5 days
Methodology
Patient serum is tested against a population of specialized microparticles coupled with single purified C1q-fixing HLA Class I and/or Class II antigens. Reactions are detected by flow cytometry.
Use
Organ transplant candidates. The test identifies patients at risk for antibody-mediated damage to grafted organs or tissue.
Patient Preparation
Draw specimen before hemodialysis of patient.
Specimen Collection and Handling
Specimen Type
Blood
Container
Red
Collection Instructions
Deliver to Specimen Processing.
Volume
10 mL blood (5 mL serum)
Minimum Volume
Adult: 3 mL blood (1.5 mL serum) Pediatric: 1 mL blood (0.5 mL serum)
Stability
Keep blood at room temperature and transport samples as soon as possible after collection.
Shipping and Handling Instructions
Store at room temperature.
Causes for Rejection
Specimen grossly hemolyzed Improper labeling of tubes or requisition
Result Interpretation
Reference Range
C1q fixing HLA Class I and/or Class II specificity is reported.
