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HelpTest ID BLOD1063 11-Deoxycortisol, Serum
Useful For
Diagnostic workup of patients with congenital adrenal hyperplasia
Part of metyrapone testing in the workup of suspected secondary or tertiary adrenal insufficiency
Part of metyrapone testing in the differential diagnostic workup of Cushing syndrome
Specimen Type
SerumNecessary Information
Indicate if specimen was collection before or after metyrapone administration.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Morning (8 a.m.) specimen is preferred.
2. Centrifuge and aliquot serum into a plastic vial.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Day(s) Performed
Tuesday
Report Available
3 to 10 daysMethod Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82634
Reporting Name
11-Deoxycortisol, SReference Values
≤18 years: <344 ng/dL
>18 years: 10-79 ng/dL
For International System of Units (SI) conversion for Reference Values, see www.mayocliniclabs.com/order-tests/si-unit-conversion.html.
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Special Instructions
Secondary ID
46920Testing Algorithm
For more information see Steroid Pathways.
SANFORD LABORATORY INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 5659 | 11-Deoxycortisol |