Printable Test Catalog - OU Medicine

TUBE OR CONTAINER: Gold or Light Green (heparin)
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.5 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 8 hours
REFERENCE RANGE: AM: 6-30 ug/dL
PM: 3-16 ug/dL
OTHER NAMES: Compound F; Hydrocortisone
METHODOLOGY: Chemiluminescence
CLINICAL USE: Aid in diagnosis of adrenocortical insufficiency,
Addison's disease, adrenocortical hypersecretion,
Cushing's syndrome
CPT: 82533
[CORTRH] Corticotropin Release Hormone Stimu
SPECIMEN REQUIRED: Frozen plasma
TUBE OR CONTAINER: Lavender (EDTA)
SPECIAL HANDLING: Patient should not be on any corticosteroid or
ACTH medications, if possible, for at least 48
hours prior to sample collection. Centrifuge
and separate with 45 minutes of collection
SPECIMEN VOLUME: 3 mL
MINIMUM VOLUME: 1 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 5-9 days
CPT: 83519
[CORTST] Corticosterone
SPECIMEN REQUIRED: Frozen serum
TUBE OR CONTAINER: Red or Gold
SPECIAL HANDLING: Separate from cells within 1 hour
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.5 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 4-7 days
METHODOLOGY: Liquid Chromatography Tandem Mass Spectrometry
(LC/MS/MS)
CPT: 82528
[CORTURF] UR CORTISOL FREE BY HPLC
SPECIMEN REQUIRED: Refrigerated urine (24 hour)
TUBE OR CONTAINER: Plastic container
or "B" container (1 g/L boric acid)
Keep specimen refrigerated during collection;
final pH must be SPECIMEN VOLUME: 100 mL
MINIMUM VOLUME: 10 mL
TEST AVAILABILITY: Daily
METHODOLOGY: Liquid chromatography/tandem mass spectrometry
(LC/MS-MS)
CLINICAL USE: Evaluate adrenal cortical function, especially