Printable Test Catalog - OU Medicine

CPT: 82652
[PEDVITD25] 25-Hydroxy Vitamin D3
SPECIMEN REQUIRED: Frozen serum (preferred) or plasma
TUBE OR CONTAINER: Red, Gold, Lavender (EDTA) or Green (heparin
SPECIAL HANDLING: Separate within 1 hour of collection
SPECIMEN VOLUME: 1.5 mL
MINIMUM VOLUME: 0.5 mL (this volume does not allow for repeat
testing)
TEST AVAILABILITY: Daily
TURNAROUND TIME: 4-7 days
REFERENCE RANGE: 32 - 100 ng/mL
OTHER NAMES: Cholecalciferol Metabolite; 25-Hydroxycalciferol;
25-OH-D; Vitamin D3 Metabolite
METHODOLOGY: High pressure liquid chromatography/tandem mass
spectrometry (HPLC/MS-MS)
CLINICAL USE: Rule out vitamin D deficiency as cause of bone
disease; differential diagnosis of hypercalcemia
CPT: 82306
[PEND] PENDRED SYNDROME (SLC26A4)
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: 4 weeks
OTHER NAMES: SLC26A4 Gene analysis; Enlarged Vestibular
Aqueduct Syndrome
METHODOLOGY: Polymerase chain reaction (PCR)
CPT: 83890; 83894 x 2; 83898 x 25; 83904 x 50; 83912
[PENTOBARB] Pentobarbital (Nembutal) Level
SPECIMEN REQUIRED: Refrigerated serum
TUBE OR CONTAINER: Red
SPECIAL HANDLING: Do NOT use a serum-separator tube; Collect
specimen immediately prior to next dose
unless otherwise indicated
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.5 mL
REFERENCE RANGE: 1-5 mg/L
OTHER NAMES: Nembutal
METHODOLOGY: GC/MS
CLINICAL USE: Short-term treatment of insomnia; preoperative
sedation; high-dose barbiturate coma treatment
for increased intracranial pressure or status
epilepticus unresponsive to other therapy
CPT: 82205
[PEPCK] PHOSPHOENOLPYRUV CARBOXYKINASE