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Test Code LY27B HLA-B27, Blood

Additional Codes

ALAB: Y62

Powerchart: HLA B27

MA Cerner: HLA-B27

Reporting Name

HLA-B27, B

Useful For

Assisting in the diagnostic process of ankylosing spondylitis, juvenile rheumatoid arthritis, and reactive arthritis

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Whole Blood EDTA


Ordering Guidance


This test is best used alone if a particular disease, such as ankylosing spondylitis, is under consideration.

 

Orders received for both this test and 1LRR / Human Leukocyte Antigens (HLA) Class I Typing Low Resolution, Recipient, Blood or 1DIS / Human Leukocyte Antigens (HLA) A-B-C Disease Association Typing Low Resolution, Blood (which provides data on all HLA Class I low-resolution antigens, including B27) will be questioned due to test overlap.



Shipping Instructions


Specimen must arrive within 96 hours of collection.



Specimen Required


Container/Tube: Lavender top (EDTA)

Specimen Volume: 6 mL

Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood EDTA Ambient 4 days

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Saturday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86812

MercyOne Laboratory Test Catalog Note:

16 ICD-10 codes are associated with CPT 86812
 ICD-10     Descriptor
  M08.1     Juvenile ankylosing spondylitis
  M45.0     Ankylosing spondylitis of multiple sites in spine
  M45.1     Ankylosing spondylitis of occipito-atlanto-axial region
  M45.2     Ankylosing spondylitis of cervical region
  M45.3     Ankylosing spondylitis of cervicothoracic region
  M45.4     Ankylosing spondylitis of thoracic region
  M45.5     Ankylosing spondylitis of thoracolumbar region
  M45.6     Ankylosing spondylitis of lumbar region
  M45.7     Ankylosing spondylitis of lumbosacral region
  M45.8     Ankylosing spondylitis sacral and sacrococcygeal region
  M45.9     Ankylosing spondylitis of unspecified sites in spine
  N18.4     Chronic kidney disease, stage 4 (severe)
  N18.5     Chronic kidney disease, stage 5
  N18.6     End stage renal disease
  Z52.008   Unspecified donor, other blood
  Z52.098   Other blood donor, other blood

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LY27B HLA-B27, B 26028-1

 

Result ID Test Result Name Result LOINC Value
LY27 HLA-B27 Result 26028-1
B27C Interpretation 96625-9

Report Available

2 to 6 days

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Method Name

Flow Cytometry

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.

Secondary ID

9648