Printable Test Catalog - OU Medicine

CLINICAL USE: Rule out vitamin D deficiency as cause of bone
disease; differential diagnosis of hypercalcemia
CPT: 82306
[VITE] Vitamin E Level
SPECIMEN REQUIRED: Refrigerated serum (protected from light)
TUBE OR CONTAINER: Red or Gold
SPECIAL HANDLING: Protect specimen from light
SPECIMEN VOLUME: 2 mL
MINIMUM VOLUME: 1.2 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 8-10 days
REFERENCE RANGE: Alpha: 3.0-15.8 mg/L
OTHER NAMES: Alpha Tocopherol; Vitamin E1
METHODOLOGY: High-pressure liquid chromatography (HPLC) with
fluorometric detection
CLINICAL USE: Evaluate vitamin E deficiency in hemolytic disease
in premature infants and neuromuscular diseases
CPT: 84446
[VITK] Vitamin K Level
SPECIMEN REQUIRED: Frozen serum or plasma
TUBE OR CONTAINER: Red or Gold (preferred) or Lavender (EDTA)
SPECIAL HANDLING: Protect specimen from light
SPECIMEN VOLUME: 1.5 mL
MINIMUM VOLUME: 1 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 3-5 days
REFERENCE RANGE: 0.28-1.78 ng/mL
OTHER NAMES: Phylloquinone; Phytonadione
METHODOLOGY: High-pressure liquid chromatography (HPLC) with
electrochemical (EC) detection
CPT: 84597
[VLCAD] VERY LONG CHAIN ACYL-CoA DEHYD
SPECIMEN REQUIRED: Whole blood at room temperature
TUBE OR CONTAINER: Lavender (EDTA)
SPECIMEN VOLUME: 5 mL
MINIMUM VOLUME: 2 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 7 days
REFERENCE RANGE: No mutation detected
METHODOLOGY: Polymerase Chain Reaction (PCR)
CPT: 83890; 83900; 83901 x 11; 83904 x 2; 83909; 83912
[VLCFA] VERY LONG CHAIN FATTY ACIDS
SPECIMEN REQUIRED: Plasma or whole blood at room temperature
TUBE OR CONTAINER: Lavender (EDTA)
SPECIAL HANDLING: Specimen should be fasting or preprandial
SPECIMEN VOLUME: 3 mL