Label Mnemonic: HLAB27
Epic Lab Code: LAB3346
Downtime Form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mail-out Laboratory
5231 RCP
Whole Blood
Specimen Instructions:
MUST be in laboratory before 1:30 p.m. Monday through Thursday. Label with patient's name, date and time of draw.
Collection Medium:
Pink top tube 6 mL (K2-EDTA)
Preferred Minimum: 4 mL whole blood in pink top K2EDTA tube
Absolute Minimum: 0.5 mL whole blood in pink top K2EDTA tube
Rejection Criteria:
Frozen or refrigerated specimens. Specimens older than 72 hours. Clotted or hemolyzed specimens. Collect Monday through Thursday only; do not collect on Fridays, day before a holiday, or weekends.
Delivery Instructions:
Deliver to laboratory immediately after collection.
Turn Around Time:
1-3 days upon receipt at reference laboratory.
Reference Range:
Interpretive Data:
HLA-B27 is a serologically-defined allele of the human HLA-B locus. The presence of the HLA-B27 antigen is strongly associated with ankylosing spondylitis and related disorders.
Qualitative Flow Cytometry
CPT Code:
See Additional Information:
Specimens Requiring Immediate Delivery