Casandra
Casandra Test Code QD81083Version 1 (DRAFT)
Performing Lab
CAH Panel 7 (21‑Hydroxylase Deficiency Therapeutic Monitoring)
Clinical Use
Order TestUse
This panel is intended for therapeutic monitoring of patients with congenital adrenal hyperplasia due to 21‑hydroxylase deficiency, assessing steroid hormones relevant to adrenal function and response to steroid replacement therapy.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
17‑Hydroxyprogesterone
Analyte17‑Hydroxyprogesterone
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Androstenedione
AnalyteAndrostenedione
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Testosterone, Total
AnalyteTestosterone, Total
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
3 mL
Minimum Volume
0.4 mL
Container
red‑top tube (no gel)
Collection Instructions
An early morning specimen is preferred. Specify time of day specimen was collected, patient age and sex on test requisition.
Causes for Rejection
Gross hemolysis • Grossly lipemic • Received room temperature • Serum separator tube (SST)
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 7 days |
| Frozen | 2 years |
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