ARUP's Laboratory Test Directory

21-Hydroxylase Antibody : 0070265

Mnemonic: 21-OH AB

Methodology: Quantitative Radioimmunoassay
Performed: Tue
Reported: 2-10 days
Specimen Required: Collect: Plain red.

Specimen Preparation: Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Hemolyzed specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 6 months
Reference Interval:
Less than or equal to 1.0 U/mL
Note: Addison's Disease: Greater than 1.0 U/mL.
CPT Code(s): 83519
Cross References: Adrenal Antibodies (21-Hydroxylase Antibody)