21-Hydroxylase Autoantibody,
| Abbrev Code: | ARMISC | ||
| Order Code: | LAB4909 | Order Name: | Send Outs Misc Test |
| Synonyms: | 21-Hydrolase Antibody; Adrenal Antibody | ||
| Methodology: | Enzyme Linked Immunosorbent Assay | ||
| CPT Codes: | 83516 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 2-7 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 0.8 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Grossly hemolyzed or lipemic specimens. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.3 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | After separation from cells: 24 hours at room temperature; 1 week refrigerated; 1 month frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 3001962 |
Interpretive
| Reference Range: | Negative |
| Use: | The 21-Hydroxylase Antibody assay is intended for the qualitative determination of antibodies to steroid 21-hydroxylase in human serum.
A positive result is indicative of primary adrenal insufficiency (Addison's disease). Results should be interpreted within the context of clinical symptoms, including functional adrenal testing. |
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