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Printable Test Catalog - OU Medicine

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CPT: 83891; 83898 x 23; 83904 x 23; 83909 x 23; 83912<br />

[CADU] CADMIUM URINE<br />

SPECIMEN REQUIRED: Urine at room temperature (random or 24 hour)<br />

TUBE OR CONTAINER: Plastic urine container<br />

SPECIAL HANDLING: Collect 24 hour urine in a "P" container (no<br />

preservative)<br />

SPECIMEN VOLUME: 5 mL<br />

MINIMUM VOLUME: 2.5 mL<br />

TEST INCLUDES: Cadmium, urine; creatinine, urine;<br />

cadmium:creatinine ratio<br />

TEST AVAILABILITY: Daily<br />

REFERENCE RANGE: Environmental exposure: Occupational exposure: OSHA<br />

Cadmium Standard:<br />

3.0 ug/g creatinine<br />

BEI: 5.0 ug/g creatinine<br />

METHODOLOGY: Inductively coupled plasma-mass spectrometry<br />

(ICP-MS)<br />

CLINICAL INFORMATION: Monitor exposure to cadmium<br />

CPT: 82300; 82570<br />

[CAF] Caffeine Level<br />

SPECIMEN REQUIRED: Refrigerated serum or plasma<br />

TUBE OR CONTAINER: Red, Lavender (EDTA) or Dark Green (heparin)<br />

SPECIAL HANDLING: Do not collect in gel barrier tube<br />

SPECIMEN VOLUME: 1 mL<br />

MINIMUM VOLUME: 0.3 mL<br />

TEST AVAILABILITY: Daily<br />

TURNAR<strong>OU</strong>ND TIME: 1-3 days<br />

REFERENCE RANGE: Therapeutic: 3.0-15.0 ug/mL<br />

Neonatal apnea: 8-14 ug/mL<br />

Infant ( Potentially toxic: > 50.0 ug/mL<br />

OTHER NAMES: Cafcit Injection (Caffeine Citrate); Durvitan<br />

METHODOLOGY: Liquid chromatography/tandem mass spectrometry<br />

(LC/MS-MS)<br />

CLINICAL USE: Monitor caffeine concentration in newborns<br />

receiving theophylline or caffeine<br />

CPT: 80299<br />

[CAFLD] Body Fluid Calcium<br />

SPECIMEN REQUIRED: Refrigerated body fluid<br />

TUBE OR CONTAINER: Sterile tube<br />

SPECIAL HANDLING: Specify source of fluid<br />

SPECIMEN VOLUME: 1 mL<br />

MINIMUM VOLUME: 0.5 mL<br />

TEST AVAILABILITY: Daily<br />

TURNAR<strong>OU</strong>ND TIME: 8 hours<br />

REFERENCE RANGE: None established<br />

METHODOLOGY: Indirect ion-selective electrode<br />

CPT: 82310

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