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Test ID BLOD1808 Perforin/Granzyme B

Important Note

Time Sensitive Test:

Specimen must be collected after 0900 and received at Sanford Referrals by noon on the day of collection, Monday through Thursday. 

Do not collect Friday through Sunday or on the day prior to a holiday. 

Please contact Sanford Laboratories Client Support if a holiday falls during the week for increased testing restrictions.

Synonym

HLH, Granzyme B, Perforin/Granzyme B By Flow

Ordering Guidance

Perforin/Granzyme B can screen for genetic variants in PRF1 which cause perforin deficiency.

Specimen Type/Requirements

Lavender top (EDTA) tube - Whole blood

Specimen Volume

 Preferred Volume     3.0 mL   
 Minimum Volume     2.0 mL   

Stability/Transport

 Room Temperature     24 hours     Preferred for Transport   
 Refrigerated     Not Acceptable        
 Frozen     Not Acceptable     

Performed Test Frequency

Monday - Friday

Report Available

2 days

Methodology

Flow Cytometry

Performing Lab

Cincinnati Children's

CPT

88184, 88185x4, 88187

Interface Build Information

 Result Code     Result Code Description   
 8063  See Scanned Report