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Test Name:
21-Hydroxylase Antibody
- SBMF No:
45513 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
21-OH AB - ABN:
Required – Not FDA-Approved - CPT Code:
83519 - LOINC Code:
17781-6 - Ref Lab Test No:
0070265 - Also Known As:
Adrenal Antibody - Also See:
43100 Adrenal Total Autoantibodies, by IFA - Spec Type:
Serum - Spec Container:
Red top (serum) tube - Pref Vol:
1.0 mL - Min Vol:
0.2 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum to separate plastic tube - Spec Store Transport:
Refrigerated - Spec Stability:
After separation from cells:
Room temperature (20-30°C): Unacceptable
1 week refrigerated (2-8°C)
6 months frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Hemolyzed specimen - Methodology:
Quantitative Radioimmunoassay (RIA) - Clinical Significance:
Refer to:
- Reference Range:
Less than or equal to 1.0 U/mL
Note:
Addison's Disease: Greater than 1.0 U/mL. - Additional Test Info:
This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. - Day Run:
Tue - Time Reported:
3-11 days - Test Type:
IMMUNOLOGY
