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Printable Test Catalog - OU Medicine

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[VITB5] Pantothenic Acid Level<br />

SPECIMEN REQUIRED: Refrigerated serum plasma<br />

TUBE OR CONTAINER: Red or Lavender (EDTA)<br />

SPECIAL HANDLING: Separate plasma from cells within 45 minutes<br />

of collection; Protect from light (wrap<br />

in foil)<br />

Do NOT collect in gel barrier tube<br />

SPECIMEN VOLUME: 1 mL<br />

MINIMUM VOLUME: 0.5 mL<br />

TEST AVAILABILITY: Daily<br />

REFERENCE RANGE: 12.9-253.1 ng/mL<br />

OTHER NAMES: Pantothenic acid<br />

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

(LC/MS-MS)<br />

CPT: 84591<br />

[VITB6] Vitamin B6 Level<br />

SPECIMEN REQUIRED: Frozen plasma<br />

TUBE OR CONTAINER: Lavender (EDTA)<br />

SPECIAL HANDLING: Separate and freeze immediately; protect<br />

specimen from light<br />

SPECIMEN VOLUME: 2 mL<br />

MINIMUM VOLUME: 1.2 mL<br />

TEST AVAILABILITY: Daily<br />

TURNAR<strong>OU</strong>ND TIME: 3-7 days<br />

REFERENCE RANGE: Male: 5.3 - 46.7 ng/mL<br />

Female: 2.0 - 32.8 ng/mL<br />

OTHER NAMES: PLP; Pyridoxal 5-Phosphate; Pyridoxine<br />

METHODOLOGY: High-pressure liquid chromatography (HPLC) with<br />

electrochemical (EC) detection<br />

CLINICAL USE: Detect vitamin B6 deficiency<br />

CPT: 84207<br />

[VITC] Vitamin C level<br />

SPECIMEN REQUIRED: Frozen serum or plasma<br />

TUBE OR CONTAINER: Red, Gold or Green (heparin)<br />

SPECIAL HANDLING: Draw in chilled tube and place in ice<br />

Protect specimen from light<br />

SPECIMEN VOLUME: 2 mL<br />

MINIMUM VOLUME: 0.7 mL<br />

TEST AVAILABILITY: Daily<br />

TURNAR<strong>OU</strong>ND TIME: 3-7 days<br />

REFERENCE RANGE: 0.4 - 2.0 mg/dL<br />

OTHER NAMES: Ascorbic Acid<br />

METHODOLOGY: High-pressure liquid chromatography (HPLC) with<br />

electrochemical (EC) detection<br />

CLINICAL USE: Evaluation of vitamin C deficiency<br />

CPT: 82180<br />

[VITD125] Vitamin D 1,25-Dihydroxy

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