Printable Test Catalog - OU Medicine

TUBE OR CONTAINER: Lavender (EDTA)
SPECIAL HANDLING: Mix immediately to avoid platelet clumping
Refrigerate if specimen is held past 24 hours
Specimen must not be hemolyzed, clotted, or
diluted with IV fluid
Clotted specimens WILL be rejected
SPECIMEN VOLUME: 3 mL
MINIMUM VOLUME: 2 mL
TEST INCLUDES: Hematocrit; hemoglobin; MCV; MCH; MCHC; RDW;
platelet count; red and white blood cell counts
TEST AVAILABILITY: Daily
TURNAROUND TIME: 1-4 hours
METHODOLOGY: Automated cell counter
CLINICAL USE: Evaluate anemia, leukemia, reaction to inflammation
and infections, peripheral blood cellular
characteristics, state of hydration & dehydration,
polycythemia, hemolytic disease of the newborn,
inherited disorders of red cells, white cells, and
platelets; manage chemotherapy decisions;
determine qualitative and quantitative variations
in white cell numbers and morphology, morphology
of red cells and platelet evaluation.
CPT: 85027
[CBG] CAP BLOOD GASES W/MEAS O2 SAT
SPECIMEN REQUIRED: Whole blood in capillary tube
TUBE OR CONTAINER: Heparinized capillary
SPECIAL HANDLING: Transport immediately at room temp
Test should be performed within 30 minutes
SPECIMEN VOLUME: Adult: 2 mL
Pediatric: 0.5 mL
MINIMUM VOLUME: Adult: 1 mL
Pediatric : 0.3 mL
TEST INCLUDES: pH, pCO2, pO2, HCO3, base excess, measured
% saturation
TEST AVAILABILITY: Daily
TURNAROUND TIME: 10 minutes
METHODOLOGY: Potentiometry
CLINICAL USE: Evaluate O2 and CO2 gas exchange, respiratory
function including hypoxia and acid-base status
CPT: 82805
[CBS] CYSTATHIONINE B-SYNTHASE GENO
SPECIMEN REQUIRED: Room temperature whole blood
TUBE OR CONTAINER: Lavender (EDTA) or Yellow (ACD)
SPECIMEN VOLUME: 10 mL
MINIMUM VOLUME: 5 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 2 weeks
METHODOLOGY: Amplification of DNA with restriction digest
CPT: 83891; 83892 x 2; 83894 x 2 ;83898; 83912