CAH Panel 7 (21-Hydroxylase Deficiency Therapeutic Monitoring)

Test Code

15277

CPT Codes
82157, 83498, 84403<br>**This test is not available for New York patients less than 6 years of age**

Includes

17-Hydroxyprogesterone
Androstenedione
Testosterone, Total, MS

Preferred Specimen

3 mL serum collected in a red-top tube (no gel)

Patient Preparation
An early morning specimen is preferred.

Minimum Volume

0.4 mL

Other Acceptable Specimens

Plasma collected in: EDTA (royal blue-top) tube, sodium or lithium heparin (green-top) tube, sodium heparin lead-free (tan-top) tube, or PPT Potassium EDTA (white-top) tube

Instructions

Specify time of day specimen was collected, patient age and sex on test request form.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 2 years

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic • Received room temperature • Serum separator tube (SST)

Methodology

Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up and Report available: See individual assays

Reference Range

See Laboratory Report

Clinical Significance

Test is recommended for steroid replacement therapy.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.