Printable Test Catalog - OU Medicine

CLINICAL USE: Evaluate toxicity; monitor therapeutic levels
CPT: 80299
[CARNCARD] Carnitine
SPECIMEN REQUIRED: Dried blood spots at room temperature
TUBE OR CONTAINER: Filter paper card
SPECIMEN VOLUME: 3 dried blood spots
TEST AVAILABILITY: Daily
TURNAROUND TIME: 2-4 days
METHODOLOGY: Mass Spectrometry
CPT: 82379
[CARNCOMBO] CARNITINE/ACYLCARN COMBINATION
SPECIMEN REQUIRED: Frozen plasma
TUBE OR CONTAINER: Green (heparin)
SPECIMEN VOLUME: 1 mL
MINIMUM VOLUME: 0.5 mL
TEST INCLUDES: Acylcarnitine; Free carnitine
TEST AVAILABILITY: Daily
TURNAROUND TIME: 4-6 days
METHODOLOGY: Tandem mass spectrometry
CLINICAL USE: Assessment of a patient for disorders of fatty
acid oxidation and other organic acidopathies
CPT: 82017; 82379
[CARNDEFS] CARNITINE DEF SYST (SLC22A5)
SPECIMEN REQUIRED: Refrigerated whole blood
TUBE OR CONTAINER: Lavender (EDTA) or Yellow (ACD)
SPECIMEN VOLUME: 5 mL
MINIMUM VOLUME: 1.5 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 4 weeks
OTHER NAMES: Carnitine Transporter Deficiency; Organic Cation
Transporter - OCTN2; SLC22A5 gene sequencing;
Carnitine Deficiency, systemic primar (CDSP)
METHODOLOGY: Polymerase Chain Reaction (PCR)
CPT: 83891; 83898 x 10; 83904 x 10; 83909; 83912
[CARNPALM] CARNITINE PALMITOYL TRANSFERAS
SPECIMEN REQUIRED: Fibroblasts or whole blood at room
temperature
TUBE OR CONTAINER: Confluent T-25 flasks or Yellow (ACD)
SPECIAL HANDLING: Specimen must arrive in laboratory by 1:30
pm, Monday-Wednesday only
SPECIMEN VOLUME: 2 flasks
10 mL (whole blood)
MINIMUM VOLUME: 1 flask
3 mL (whole blood)
TEST AVAILABILITY: Monday-Wednesday
TURNAROUND TIME: 4-6 weeks (fibroblasts)