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Test Code DCORT 11-Deoxycortisol, Serum

Important Note

Order synonym 11DOCS


Use Sunquest code 11DOCS to order

Secondary ID


Testing Algorithm

See Steroid Pathways in Special Instructions.

Special Instructions

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Specimen Type


Necessary Information

Indicate if specimen was drawn before or after metyrapone.

Specimen Required


Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 0.5 mL

Collection Instructions: Morning (8 a.m.) specimen is preferred.

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

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Reference Values

≤18 years: <344 ng/dL

>18 years: 10-79 ng/dL


For SI unit Reference Values, see

Day(s) and Time(s) Performed

Tuesday; 10 a.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information