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.

Test Details

Analytic Time

5 - 19 days

Soft Order Code

68KD

MiChart Code

Autoimmune Inner Ear Ag (68 kD)

Synonyms

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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Laboratory

Sendout

Laboratory Reference

Mayo F68KD (91494) (IMMCO Diagnostics)

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Specimen Requirements

Container

Yellow Top Tube

Normal Volume

3 mL serum

Minimum Volume

2 mL serum

Additional Information

Test sent to Mayo Medical Laboratories; performed by IMMCO Diagnostics.

Billing Information

Fee Codes


CPT Code

84182

LOINC

34585-0

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