Perforin/Granzyme B (MISC REF LAB)

Test Code

1230230051

Alias/See Also

LAB2450: Perforin/Granzyme B | HLH: PERFORIN/GRANZYME B BY FLOW|PERFORIN|GRANZYME B

CPT Codes
88184x1, 88185x4

Preferred Specimen

NON-INTERFACED LABS: LAVENDER TOP-EDTA (Room Temperature) Min Vol: 1

Other Acceptable Specimens

NON-INTERFACED LABS: PINK TOP-KEDTA: (Room Temperature) Min Vol: 1
NON-INTERFACED LABS: MICRO LAVENDER- EDTA: (Room Temperature) Min Vol: 1
NON-INTERFACED LABS: GREEN TOP- NAHEP: (Room Temperature) Min Vol: 1

Instructions

5-10mL blood in Sodium Heparin (Dark Green) Collect Monday - Thursday only

Transport Temperature

5-10mL blood in Sodium Heparin (Dark Green) is the general requirement and should be sufficient for patients who are not lymphopenic. Minimum Collection Volume Minimum Volume Dependent on ALC Unacceptable Conditions Frozen, clotted, hemolyzed or centrifuged specimens. Specimen collected in an unacceptable anticoagulant.Storage/Transport Temperature AMBIENT Specimen PreparationSpecimen must be received Monday-Thursday (Thurs by 11 am) and within 24 hours of collection. Keep specimen as whole blood at room temperature. Stability (from collection to initiation)Ambient: 24 hours / Frozen: Unacceptable / Refrigerated: Unacceptable.PerformedMon - Thurs (This is a 2- day test and cannot be accepted on Friday or the day before a holiday)

Report Available

NON-INTERFACED LABS
STAT: 7200 min
Routine: 7200 min
Extended TAT: No TAT min
Timed: 7200 min
Life or Death: 7200 min

Last Updated: March 6, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.