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Test Code B27HLA HLA-B27

Important Note

Effective 3/27/25

Additional Codes

Epic EAP
LAB4946 HLA B27 

Specimen Requirements

Preferred Collection Container: 

Lavender (EDTA)

 

Also Acceptable Collection Container: 

Yellow (ACD-A or ACD-B)
Pink (K2EDTA)

 

Collection Information: 

Collect blood in a lavender (EDTA) tube. Yellow ACD A or B and Pink (EDTA) is also acceptable.

 

Transport Information: 

Transport original tube at room temperature. A separate EDTA (lavender-top) tube must be submitted for all HLA testing. If submitted with any other test requiring an EDTA tube, please submit a separate tube for this test. Do not open tube.

 

Minimum Sample Volume: 

3.0 mL of whole blood

 

Remarks: 

If possible, avoid collecting on Fridays. To ensure that specimen can be processed prior to the 4-day stability, it’s preferred that collections and submissions occur to arrive at Pathology Laboratory Monday through Thursday.

Performing Laboratory

Pathology Laboratory, UnityPoint Health, Des Moines

CPT

81373

Methodology

PCR

Stability

Refrigerated Stability: 

4 days

 

Frozen Stability: 

NOT Acceptable

 

Ambient Stability: 

4 days - Preferred

Performance

Monday - Friday

 

Analytical Time: 

3 - 7 days

 

Testing Laboratory: 

Iowa Methodist Medical Center

 

Laboratory Section: 

Histocompatibility Laboratory (HLA)

Alias

HLA B27