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Test ID FDSOX 11-Desoxycortisol (Specific Compound S)

Method Name

HPLC Tandem Mass Spectrometry

Reporting Name

11-Desoxycortisol, Mass Spectrometry

Specimen Type


Specimen Required

Draw blood in a plain, red-top tube(s). Separate within one hour and send 1 mL of serum frozen in a plastic vial.


Note:    1. Serum gel tube is acceptable, but must pour off into a plastic screw cap vial and freeze.

            2. Minimum volume does not permit for repeat analysis.

Specimen Minimum Volume

Pediatric minimum only: 0.2 mL
Note: Does not permit repeat analysis.

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen

Reference Values

             Age                                                Range

     Premature (26-28w) Day 4                 110-1376

     Premature (31-35w) Day 4            48-579

     Newborn    Day 3                        13-147

     31d-11m                                      <10-156

     Prepubertal  8:00 AM                  20-155

     Pubertal Children and

         Adults  8:00 AM                      12-158

Day(s) and Time(s) Performed

Monday, Wednesday, Saturday

Performing Laboratory

Esoterix Endocrinology

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FDSOX 11-Desoxycortisol, Mass Spectrometry 1657-6


Result ID Test Result Name Result LOINC Value
Z0271 11-Desoxycortisol, Mass Spectrometry 1657-6