Biomarker Lens

Common biomarkers

  • Hemoglobin
  • Glucose
  • ALT
  • Apolipoprotein B
  • C-Reactive Protein, Cardiac
  • Ferritin
  • Alb/Creat Ratio, Urine
  • Alkaline Phosphatase
  • FSH
  • T4,Free(Direct)

Biomarkers · Chemical

DQA1 Allele 1

LOINC codes
44728-4, 94495-9, 59019-0
Tests that measure DQA1 Allele 1
Labcorp 4, Quest Diagnostics 1

Tests

Check the catalog code, specimen, method and preparation for every test that measures DQA1 Allele 1. Select up to five tests to compare them side by side.

Labcorp 4 tests

Single-analyte tests

  • HLA DQA1 High Resolution 167297

    Blood · Fasting not stated · Turnaround 3 - 7 days

    Method and collection
    Method
    HLA results are obtained using Next Generation Sequencing (NGS).
    Labcorp catalog page

  • HLA DQA1 Intermediate Resolution 167660

    Blood · Fasting not stated

    Method and collection
    Method
    Next-generation sequencing
    Collection
    Standard phlebotomy procedures or follow buccal swab kit instructions
    Labcorp catalog page

Panels that include this biomarker

  • HLA DQA1 and DQB1 Intermediate Resolution 167684

    2 analytes · Blood · Fasting not stated

    Method and collection
    Method
    Next-generation sequencing (NGS), Illumina
    Labcorp catalog page

  • HLA for Anti-TNF Immunogenicity Risk 167680

    2 analytes · Blood · Fasting not stated

    Method and collection
    Method
    Genotyping for the DQA1 locus is performed using next-generation sequencing (NGS) of exon 2 and reported at G group resolution. A G group includes all alleles with identical nucleotide sequences encoding the antigen recognition site. Results are reported as "positive" or "negative." Positive indicates the presence of one copy (heterozygous) or two copies (homozygous) of the HLA-DQA1*05 variant allele.
    Collection
    Standard phlebotomy or follow instructions on buccal swab kit
    Labcorp catalog page

Quest Diagnostics 1 test

Panels that include this biomarker

  • HLA Typing for Celiac Disease 17135

    4 analytes · Blood · Fasting not stated · Turnaround Set up: Mon-Fri; Report available: 3 days

    Method and collection
    Method
    Polymerase Chain Reaction Amplification followed by Sequence Specific Oligonucleotide Probes (PCR-SSO)
    Collection
    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.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

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Sources

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We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

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