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CAH Panel 4 (17-Hydroxylase Deficiency in Females)
Test CodeCAH Panel, Females
Quest Code
15274
Alias/See Also
17-Hydroxylase Deficiency in Females
CPT Codes
84144, 83498, 82528, 82533, 82088, 82670
Includes
Aldosterone, LC/MS/MS
Corticosterone
Cortisol, Total, LC/MS
Estradiol, Ultrasensitive, LC/MS
7-Hydroxyprogesterone
Progesterone, LC/MS
Corticosterone
Cortisol, Total, LC/MS
Estradiol, Ultrasensitive, LC/MS
7-Hydroxyprogesterone
Progesterone, LC/MS
Preferred Specimen
3 mL serum collected in a red-top tube (no gel)
Patient Preparation
An early morning specimen is preferred
Minimum Volume
1.2 mL
Instructions
Collect blood in a Vacutainer with no additives. Allow blood to clot (10-15 minutes) at room temperature. Centrifuge and separate the serum from the cells.
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum separator tubes • Moderate to gross hemolysis • Received room temperature • Grossly icteric • Glass tubes
Methodology
Extraction • Immunoassay (IA) • Chromatography/Mass Spectrometry
Setup Schedule
Set up and Report available: Varies with assay
Reference Range
See Laboratory Report
Clinical Significance
All steroids requiring the action of 17-Hydroxylase enzyme are low, including 17-OH Progesterone and Cortisol. Levels of estradiol and aldosterone are also low. Additional testing may be required to establish a diagnosis.
Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
33608 Ortega Highway |
San Juan Capistrano, CA 92675-2042 |
Last Updated: August 16, 2019