Printable Test Catalog - OU Medicine

TEST AVAILABILITY: Daily
TURNAROUND TIME: 8 hours
REFERENCE RANGE: 15.0-40.0 mg/L
METHODOLOGY: Turbidimetric inhibition immunoassay
CLINICAL USE: Monitor patients for compliance, efficiency, and
possible toxicity
CPT: 80184
[PHENOL] UR PHENOL
SPECIMEN REQUIRED: Refrigerated urine (random)
TUBE OR CONTAINER: Plastic urine container
SPECIMEN VOLUME: 15 mL
MINIMUM VOLUME: 5.2 mL
TEST INCLUDES: Creatinine, phenol, and ratio
TEST AVAILABILITY: Daily
REFERENCE RANGE: Environmental exposure: Occupational exposure: BEI (sampling
time is
end of shift): 250.0 mg/g creatinine
METHODOLOGY: Gas chromatography (GC)
CLINICAL USE: Monitor exposure to phenol
CPT: 82570; 84600
[PHENSTL] Stool Phenolphthalein Level
SPECIMEN REQUIRED: Frozen stool
TUBE OR CONTAINER: Plastic container
SPECIAL HANDLING: Specimen must be received at referring lab
within 48 hours of collection
SPECIMEN VOLUME: 5 grams
MINIMUM VOLUME: 1 gram
TEST AVAILABILITY: Daily
TURNAROUND TIME: 3 days
REFERENCE RANGE: Negative
METHODOLOGY: Colorimetry
CLINICAL USE: Detection of laxative abuse
CPT: 84311
[PHENUR] Urine Phenolphthalein
SPECIMEN REQUIRED: Random urine
TUBE OR CONTAINER: Plastic urine container
SPECIMEN VOLUME: 60 mL
MINIMUM VOLUME: 6.1 mL
TEST AVAILABILITY: Daily
METHODOLOGY: Thin layer chromatography (TLC)
CPT: 84311
[PHENYL] PHENYLALANINE QUANT
SPECIMEN REQUIRED: Frozen plasma
TUBE OR CONTAINER: Light Green or Dark green (heparin)
SPECIAL HANDLING: Separate and freeze within 1 hour of
collection