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CAH Panel 7 (21-Hydroxylase Deficiency Therapeutic Monitoring)
Test Code15277
CPT Codes
82157, 83498, 84403<br /> **This test is not New York approved for patients less than 6 years of age**
Includes
17-Hydroxyprogesterone
Androstenedione
Testosterone, Total, MS
Androstenedione
Testosterone, Total, MS
Preferred Specimen
3 mL serum collected in a red-top tube (no gel)
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
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