Analytic Time

5 - 19 days

MiChart Code
Autoimmune Inner Ear Ag (68 kD)
Soft Order Code
68KD

Test Updated:

Synonyms

Autoimmune Inner Ear Antibody
Anti-Cochlear Antibody
Heat Shock Protein 70 Autoantibodies
Hsp 70 Antibody
68KD
Autoimmune Inner Ear Ag

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Test Overview

Test Methodology

Line Blot

Test Usage

Antibodies to inner ear antigen (68kD) occur in approximately 70% of patients with autoimmune hearing loss. The antibody tests to this 68kD antigen parallel with disease activity. In addition, a majority of patients positive for antibodies to 68kD are responsive to corticosteroid treatment. (Hirose et al: The Laryngoscope 109:1769-1999)

Reference Range

Negative

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze (preferred) or refrigerate.

Yellow Top Tube
Normal Volume
3 mL serum
Minimum Volume
2 mL serum

Billing Information

CPT Code
84182
Pro Fee Code
 
LOINC
34585-0

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.