HLA B27

Message

This test is no longer collected in glass ACD tubes.

Test Code

HLA27

CPT Codes
86812

Preferred Specimen

1 Lavender tube (EDTA)

Minimum Volume

0.5 mL

Other Acceptable Specimens

None

Instructions

Maintain sample at room temperature.

Transport Temperature

Room temperature

Specimen Stability

15-30°C up to 72 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Samples will be rejected if frozen

Methodology

Flow Cytometry

Reference Range

Negative, Weakly Positive, or Positive

Due to possible cross-reactivity with other HLA antigens, confirmatory testing such as microlympocytotoxicity or PCR is recommended.

Clinical Significance

Assists in the diagnosis of ankylosing spondylitis, juvenile rheumatoid arthritis and Reiter syndrome.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NMB10 (Molecular Biology, Flow)

Last Updated: April 25, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.