CAH Panel 4 (17‑Hydroxylase Deficiency in Females)
Use
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.
Special Instructions
Specify time of day specimen was collected, patient age and sex on test request form. An early morning specimen is preferred.
Limitations
Not provided.
Methodology
Immunoassay (Multiplex Protein Panel)
Biomarkers
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
3 mL
Minimum Volume
1.2 mL
Container
red‑top tube (no gel)
Collection 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. Specify time of day specimen was collected, patient age and sex on test request form.
Patient Preparation
An early morning specimen is preferred
Causes for Rejection
Serum Separator Tube (SST®); moderate to gross hemolysis; received room temperature; grossly icteric; glass tubes
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 24 hours |
| Refrigerated | 7 days |
| Frozen | 28 days |