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Test ID DISI HLA Class I Molecular Typing Disease Association, Whole Blood

Useful For

Determining class I human leukocyte antigens (HLA) antigens on specimens for those who have become refractory to platelet transfusions and identify potential disease association

Method Name

Polymerase Chain Reaction (PCR)/Sequence-Specific Oligonucleotide Probes (SSO)

Reporting Name

HLA Class I Mol Typing DiseaseAssoc

Specimen Type

Whole Blood ACD-B

Specimen Required

Container/Tube: Yellow top (ACD solution B)

Specimen Volume: 6 mL

Collection Instructions: Do not transfer blood to other containers.

Additional Information: Specimen acceptability is based on extracted DNA concentration and not sample age.

Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood ACD-B Refrigerated (preferred)

Reference Values

Not applicable

Day(s) and Time(s) Performed

Monday through Friday; 7:30 a.m.-5 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

81372-HLA class I typing, low resolution (eg, antigen equivalents); complete (ie, HLA-A, -B and -C)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
DISI HLA Class I Mol Typing DiseaseAssoc In Process


Result ID Test Result Name Result LOINC Value
ALOC1 A Locus Serology 38548-4
ALOC3 A Locus Molecular 38548-4
BLOC1 B Locus Serology 38546-8
BLOC3 B Locus Molecular 38546-8
CLOC1 Cw Locus Serology 42663-5
CLOC3 C Locus Molecular 13302-5
BW1 Bw Locus Serology 38546-8

Test Classification

This test has been cleared or approved by the U.S. 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.

NY State Approved



If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request (T726) with the specimen.