CAH Panel 7 (21-Hydroxylase Deficiency Therapeutic Monitoring)

Test Code

15277

Includes

17-Hydroxyprogesterone
Androstenedione
Testosterone, Total, MS

Preferred Specimen

Red Top

Minimum Volume

0.4 mL

Other Acceptable Specimens

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

Instructions

An early morning specimen is preferred. Specify age and sex on test requisition.

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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

See individual assays

Reference Range

See Laboratory Report

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.