68 KD (hsp-70) Antibodies
| Sunquest Code: | F68KD | ||
| Epic Code: | LAB5837 | Epic Name: | 68 K Antibodies |
| Synonyms: | Heat Shock Protein 70; Anti-Cochlear Antibodies | ||
| Methodology: | Line blot | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported in 3-7 days. | ||
| Compliance: | This test was developed and its performance characteristics determined by IMMCO. It has not been cleared or approved by the U.S. Food and Drug Administration. Test performed by: IMMCO Diagnostics. |
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Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 6 mL |
| Minimum\Peds Volume: | 4.2 mL |
| Container: | Red or gold (gel) (Red (no gel)) |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 3 mL, 2 mL minimum. Store frozen. |
| Shipping Instructions: | Ship frozen. |
| Stability: | 48 hours at room temperature; 5 days refrigerated; 1 year frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (Immco Diagnostics via Mayo) |
| Referral Lab number: | F68KD |
Interpretive
| Reference Range: | Qualitative test: Negative or Positive |
| Use: | 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). |
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