Collect

Light Green PST (Plasma Separator Tube - Lithium heparin & gel)

Specimen Preparation

Specimen must be centrifuged and plasma removed to another tube within two hours of collection. Centrifuge at 3,400 RPM's for 10 minutes. Follow directions in the centrifuge manual to set the centrifuge appropriately. Transfer the plasma using a disposable pipette or pouring to another labeled tube (pour off tube). Rubber band the original tube (parent tube) with the labeled pour off tube prior to sending the specimen to CLS/Immunology Lab. Separated plasma must be stored at -80C if Clinical Immunology Lab is closed.

Unacceptable Conditions

Severely hemolyzed and/ or grossly lipemic samples. Any specimen that has NOT been centrifuged and split within 2 hours of collection.

Storage/Transport Temperature

Transport at room temperature.
Store separated plasma at -80C.

Stability (from collection to initiation)

Sample is stable in PST tube for 2 hours. Centrifuge and remove plasma to another tube (pour off tube) within two hours of collection.

Remarks

Panel includes:
  • Interferon gamma (IFN-g)
  • Interleukin 1 beta (IL-1b)
  • Interleukin 2 (IL-2)
  • Interleukin 4 (IL-4)
  • Interleukin 6 (IL-6)
  • Interleukin 8 (IL-8)
  • Interleukin 10 (IL-10)
  • Interleukin 12p70 (IL-12p70)
  • Interleukin 13 (IL-13)
  • Tumor Necrosis Factor alpha (TNF-a)

Volume Required

3.0 ml

Minimum Required

1.0 ml

Phlebotomy Draw

Yes

Performing Lab

Immunology Lab

Performed

Minimum of 2 days/week.

Methodology

Electrochemiluminescence

Reported

3 days

Synonyms

  • Cytokine
  • Cytokines
  • Interferon gamma
  • IFN-g
  • Interleukin 1 beta
  • IL-1b
  • Interleukin 2
  • IL-2
  • Interleukin 4
  • IL-4
  • Interleukin 6
  • IL-6
  • Interleukin 8
  • IL-8
  • Interleukin 10
  • IL-10
  • Interleukin 12p70
  • IL-12p70
  • Interleukin 13
  • IL-13
  • Tumor Necrosis Factor alpha
  • TNF-a

LIS Mnemonic

CYTK

Available STAT

Yes - requires Medical Director approval & DIRT consult

Interpretive Data

Any deviations from specimen processing instructions may cause unexpected results in all cytokines. Specifically for Interleukin 8 (IL-8), significantly falsely increased results may be observed.

This test was developed and its performance characteristics determined by the Clinical Immunology Laboratory of The Children's Hospital of Philadelphia. It has not been cleared or approved by the US Food and Drug Administration (FDA). This laboratory is regulated under the Clinical Laboratory Improvement Amendments (CLIA) as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

Reference Ranges

Analyte Normal range
(pg/ml)
 
 
IFN gamma < 6.5  
IL-1 beta < 2.5  
IL-2 < 6.5  
IL-4 < 1.5  
IL-6 < 3.5  
IL-8 < 10.0  
IL-10 < 2.0  
IL-12 p70 < 2.5  
IL-13 < 2.5  
TNF alpha <3.5  

CPT Codes

83520 x9, 83529 (IL-6)

Interpretive Data

Any deviations from specimen processing instructions may cause unexpected results in all cytokines. Specifically for Interleukin 8 (IL-8), significantly falsely increased results may be observed.

This test was developed and its performance characteristics determined by the Clinical Immunology Laboratory of The Children's Hospital of Philadelphia. It has not been cleared or approved by the US Food and Drug Administration (FDA). This laboratory is regulated under the Clinical Laboratory Improvement Amendments (CLIA) as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.
Collection

Collect

Light Green PST (Plasma Separator Tube - Lithium heparin & gel)

Specimen Preparation

Specimen must be centrifuged and plasma removed to another tube within two hours of collection. Centrifuge at 3,400 RPM's for 10 minutes. Follow directions in the centrifuge manual to set the centrifuge appropriately. Transfer the plasma using a disposable pipette or pouring to another labeled tube (pour off tube). Rubber band the original tube (parent tube) with the labeled pour off tube prior to sending the specimen to CLS/Immunology Lab. Separated plasma must be stored at -80C if Clinical Immunology Lab is closed.

Unacceptable Conditions

Severely hemolyzed and/ or grossly lipemic samples. Any specimen that has NOT been centrifuged and split within 2 hours of collection.

Storage/Transport Temperature

Transport at room temperature.
Store separated plasma at -80C.

Stability (from collection to initiation)

Sample is stable in PST tube for 2 hours. Centrifuge and remove plasma to another tube (pour off tube) within two hours of collection.

Remarks

Panel includes:
  • Interferon gamma (IFN-g)
  • Interleukin 1 beta (IL-1b)
  • Interleukin 2 (IL-2)
  • Interleukin 4 (IL-4)
  • Interleukin 6 (IL-6)
  • Interleukin 8 (IL-8)
  • Interleukin 10 (IL-10)
  • Interleukin 12p70 (IL-12p70)
  • Interleukin 13 (IL-13)
  • Tumor Necrosis Factor alpha (TNF-a)

Volume Required

3.0 ml

Minimum Required

1.0 ml

Phlebotomy Draw

Yes
Ordering

Performing Lab

Immunology Lab

Performed

Minimum of 2 days/week.

Methodology

Electrochemiluminescence

Reported

3 days

Synonyms

  • Cytokine
  • Cytokines
  • Interferon gamma
  • IFN-g
  • Interleukin 1 beta
  • IL-1b
  • Interleukin 2
  • IL-2
  • Interleukin 4
  • IL-4
  • Interleukin 6
  • IL-6
  • Interleukin 8
  • IL-8
  • Interleukin 10
  • IL-10
  • Interleukin 12p70
  • IL-12p70
  • Interleukin 13
  • IL-13
  • Tumor Necrosis Factor alpha
  • TNF-a

LIS Mnemonic

CYTK

Available STAT

Yes - requires Medical Director approval & DIRT consult
Result Interpretation

Interpretive Data

Any deviations from specimen processing instructions may cause unexpected results in all cytokines. Specifically for Interleukin 8 (IL-8), significantly falsely increased results may be observed.

This test was developed and its performance characteristics determined by the Clinical Immunology Laboratory of The Children's Hospital of Philadelphia. It has not been cleared or approved by the US Food and Drug Administration (FDA). This laboratory is regulated under the Clinical Laboratory Improvement Amendments (CLIA) as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

Reference Ranges

Analyte Normal range
(pg/ml)
 
 
IFN gamma < 6.5  
IL-1 beta < 2.5  
IL-2 < 6.5  
IL-4 < 1.5  
IL-6 < 3.5  
IL-8 < 10.0  
IL-10 < 2.0  
IL-12 p70 < 2.5  
IL-13 < 2.5  
TNF alpha <3.5  
Administrative

CPT Codes

83520 x9, 83529 (IL-6)

Interpretive Data

Any deviations from specimen processing instructions may cause unexpected results in all cytokines. Specifically for Interleukin 8 (IL-8), significantly falsely increased results may be observed.

This test was developed and its performance characteristics determined by the Clinical Immunology Laboratory of The Children's Hospital of Philadelphia. It has not been cleared or approved by the US Food and Drug Administration (FDA). This laboratory is regulated under the Clinical Laboratory Improvement Amendments (CLIA) as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.