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HelpTest Code LAB10434 HLA-B27
Department
SEND OUTS
Reference Lab Test Number
B27
Collection Requirements
Ambient Only. Do not refrigerate or freeze.
Collect samples Monday through Thursday only. Send within 24 hours of collection.
Refer To
Primary Collection Container
Lavender 4 mL (K3EDTA)
Alternate Collection Container
ACDA – Pale Yellow (Acid Citrate Dextrose)
Transport
Whole blood ambient
Preferred Transport Temperature
Ambient
Processing
Send 4.0 mL whole blood room temperature in the original 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.
Stability
Ambient: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Minimum Testing Volume
1.0 mL
Reference Range
Negative
Methodology
Flow Cytometry
Performed
Monday – Saturday
Reported
4 Days
CPT Codes
86812
Unacceptable Conditions
ACD B.
Hemolyzed specimens.
Specimens that have been refrigerated or frozen.
Specimens with a volume less than 1 mL.