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Test Code LAB000 11-Desoxycortisol

Important Note

Mayo test code:F11DX


Specimen Required


Collection Container/Tube: Red-Top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Acceptable: SST

Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Serum must be separated from cells within 45 minutes of venipuncture. Spin down and send 1 mL of serum frozen in a plastic vial.


Method Name

Liquid chromatography/tandem mass spectrometry (LC/MS-MS) after chromatography and solvent extraction.

Reporting Name

11-Desoxycortisol

Specimen Type

Serum

Specimen Minimum Volume

0.2 mL (Note: Minimum volume does not allow for repeat analysis)

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen (preferred)
  Ambient  72 hours
  Refrigerated  72 hours

Reject Due To

Thawing** Warm OK ≤72 hours; Cold OK ≤72 hours
Other/Tissue/Swab Specimens other than serum or plasma EDTA or green-top heparin

Reference Values

Age

Range (ng/dL)

Premature (26 - 28 weeks) Day 4

110-1376

Premature (31 - 35 weeks) Day 4

48-579

Newborn Day 3

13-147

Newborn 1 to 11 months

<10-156

Prepubertal 8 AM

20-155

Prepubertal Children and Adults 8 AM

12-158

Performing Laboratory

Esoterix Endocrinology

CPT Code Information

82634

LOINC Code Information

Test ID Test Order Name Order LOINC Value
F11DX 11-Desoxycortisol 1657-6

 

Result ID Test Result Name Result LOINC Value
F11DX 11-Desoxycortisol 1657-6

Report Available

6 to 15 days