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Test Directory

21 Hydroxylase Antibody

Test Summary

21-Hydroxylase Antibody is present in patients with autoimmune destruction of the adrenal glands, leading to Addison's disease. Antibody is also seen in autoimmune polyglandular syndrome.

Aliases

  • N/A

Specimen Collection

Special Instructions

N/A

Preferred Specimen

0.5 mL serum

Minimum Volume

N/A

Instructions

N/A

Patient Preparation

0.5 mL serum

Storage

N/A

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 5 days
  • Refrigerated: 14 days
  • Frozen: 60 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Order Code

21HDXY

EPIC (Premier) Code

LAB3908

Includes

N/A

CPT Code

  • 83516

Billing Code

  • 670977

CPT Statement

Methodology

N/A

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675

Department

Reference Testing

Reference Range

N/A

Setup Schedule / Expected Turnaround Time

Wednesday; Report available: 4 - 11 days

Specimen Collection

Special Instructions

N/A

Preferred Specimen

0.5 mL serum

Minimum Volume

N/A

Instructions

N/A

Patient Preparation

0.5 mL serum

Storage

N/A

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 5 days
  • Refrigerated: 14 days
  • Frozen: 60 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Billing

CPT Code

  • 83516

Billing Code

  • 670977

CPT Statement

Result Information

Methodology

N/A

Testing Laboratory

N/A

Reference Range

N/A

Setup Schedule / Expected Turnaround Time

Wednesday; Report available: 4 - 11 days