Printable Test Catalog - OU Medicine

Do NOT collect specimen in a gel barrier tube
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.3 mL
TEST INCLUDES: Amiodarone and its metabolite Noramiodarone
TEST AVAILABILITY: Daily
REFERENCE RANGE: Therapeutic: amiodarone: 1.0-2.5 ug/mL
noramiodarone: 1.0-2.5 ug/mL
OTHER NAMES: Cordarone
METHODOLOGY: Liquid chromatography/tandem mass spectrometry
(LC/MS-MS)
CLINICAL USE: Therapeutic drug monitoring
CPT: 80299
[AMITR] AMITRIPTYLINE/NORTRIPTYLINE
SPECIMEN REQUIRED: Refrigerated serum or plasma
TUBE OR CONTAINER: Red, Lavender (EDTA) or Dark Green (heparin)
SPECIAL HANDLING: Do NOT collect in gel barrier tubes
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.3 mL
TEST INCLUDES: Amitriptyline, nortriptyline and total
TEST AVAILABILITY: Daily
TURNAROUND TIME: 2 days
REFERENCE RANGE: Therapeutic: amitriptyline + nortriptyline:
120-250 ng/mL
OTHER NAMES: Elavil; Endep; Etrafon; Triavil
METHODOLOGY: Liquid chromatography/tandem mass spectrometry
(LC/MS-MS)
CLINICAL USE: Monitor therapeutic levels and evaluate toxicity
CPT: 80152
[AMM] Ammonia
SPECIMEN REQUIRED: Plasma on ice
TUBE OR CONTAINER: Light Green or Dark Green (heparin)
SPECIAL HANDLING: Place specimen on ice immediately after
collection. Must be separated from cells and
frozen if not analyzed within 30 minutes
Reject if not received on ice.
STABILITY: 30 minutes on ice
48 hours when plasma is separated and frozen
SPECIMEN VOLUME: 2 mL
MINIMUM VOLUME: 1 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 8 hours
REFERENCE RANGE: 0 days-1 month: 64-107 umol/L
1 month-13 years: 21- 50 umol/L
13 years +: 11- 32 umol/L
OTHER NAMES: Blood Ammonia; Blood NH3; NH3; NH4
METHODOLOGY: Timed endpoint
CLINICAL USE: Aid in the diagnosis of hepatic encephalopathy
and hepatic coma in the terminal stages of liver
cirrhosis, hepatic failure, acute and subacute