Test Details
Mnemonic
B27
Ordering Code
3080980
CPT-4 Code(s)
86812
Specimen Information
Collect
Lavender EDTA
Specimen Preparation
Send 4.0 mL whole blood in original collection tube. Send within 24 hours of collection. If a sample collected Thursday is not received by Saturday, 72 hour stability will be exceeded by Monday and testing will be canceled.
Alternate Specimen
Whole blood, heparinized, ACD A
Minimum Volume
1.0 mL
Transport Temperature
Room temperature
Rejection Criteria
Hemolyzed specimens
Specimens that have been refrigerated or frozen
Specimens with a volume less than 1 mL
Specimens that have been refrigerated or frozen
Specimens with a volume less than 1 mL
Stability
Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Methodology
Flow Cytometry
Reference Range
Negative
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes