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Catalog ID Cortisol Cortisol

CPOE Test Name

Cortisol Total

Synonyms

Compound F, Hydrocortisone

Specimen Type

Serum

Specimen Requirements

5 mL gold top SST tube; 2 mL blood minimum

Causes for Rejection

Improper labeling; insufficient specimen; imcorrect tube; missing time of collection.

Special Instructions

Precisely record time of blood collection. For post-cortrosyn stimulation specimens, record draw time and sequence timing on the tube and requisition slip. To evaluate diurnal variation, draw specimens at 8:00 AM and 4:00 PM and label tubes accurately.

Reference Values

3.09 -22.4 mcg/dL

Interpretation

8:00 AM reference range is 3.09 to 22.4 mcg/dL.

4:00 PM value should be 1/3 to 1/2 of morning level. ACTH stimulation levels should reach twice the level of basal cortisol value. Post dexamethasone suppression < 7 mcg/dL (AM). Newborns have elevated levels.

Performing Lab

Core Laboratory, AD 3301 721-2120

Turn Around Time

Routine: 2 – 4 hrs. Urgent/Emergent: 1 hr.

CPT / HCPCS Code

82530