Specimen:

Serum

Collection Medium:

Minimum:

Preferred Minimum:  0.5 mL serum
Absolute Minimum:  0.2 mL serum
Pediatric Minimum:  0.1 mL serum

Rejection Criteria:

Hemolyzed or lipemic specimens.  Specimens with large clots present or 
bacterial growth.  Specimens collected with anticoagulants or 
preservatives.

Delivery Instructions:

Submit specimen to laboratory as soon as possible after collection.

Analytic Time:

within 10 days

Reference Range:

Negative

Interpretive Data:

Western blot assay for HSP70 (68 kDa), IgG antibody may be utilized in 
predicting corticosteroid responsiveness in patients with idiopathic 
rapidly progressive sensorineural hearing loss.  Indeterminate results 
should be repeated using a fresh specimen collected after 10-14 days.  
Other autoimmune diseases may also produce positive results.

Methodology:

Western Blot

CPT Code:

84182