Printable Test Catalog - OU Medicine

METHODOLOGY: Polymerase chain reaction (PCR)
CPT: 83890; 83891; 83894; 83898 x 3; 83904 x 3; 83912
[TCELLEXT] T-CELL IMMUNODEFICIENCY EXTEND
SPECIMEN REQUIRED: Whole blood at room temperature
TUBE OR CONTAINER: Dark green (Heparin) or Lavender (EDTA)
SPECIAL HANDLING: Specimen must be analyzed within 48 hours
(heparin) or 72 hours (EDTA) of collection
SPECIMEN VOLUME: 5 mL
MINIMUM VOLUME: 0.5 mL (pediatric)
TEST INCLUDES: Includes helper T-cells (CD4+ and CD3+), naive
helper T-cells (CD4+ and CD45RA+), memory helper
T-cells (CD4+ and CD45RO+), suppressor T-cells
(CD8+ and CD3+), CD4:CD8 ratio, total T-cells
(CD3+), B-cells (CD19+ and CD3-), and NK-cells
([CD16+/CD56+] and CD3-)
TEST AVAILABILITY: Monday-Friday (must arrive in the lab before
2:30 pm
TURNAROUND TIME: 2-4 days
METHODOLOGY: Flow Cytometry
CLINICAL USE: Enumerate the percents and absolute cell counts
of lymphocyte subsets in lysed whole blood
CPT: 86355; 86356 x 3; 86357; 86359; 86360
[TCRPCR] T-CELL RECEPTOR GENE REARRANG
SPECIMEN REQUIRED: Whole blood or bone marrow at room
temperature
(Other acceptable specimens: Fresh frozen
tissue or paraffin-embedded tisue at room
temperature)
TUBE OR CONTAINER: Lavender (EDTA) or Yellow (ACD)
SPECIMEN VOLUME: 7 mL whole blood
3 mL bone marrow
MINIMUM VOLUME: 3 mL(whole blood)
1 mL bone marrow
TEST AVAILABILITY: Monday-Friday
TURNAROUND TIME: 10-14 days
METHODOLOGY: Polymerase chain reaction (PCR)
CPT: 83891; 83900; 83901; 83909; 83912
[TCSP] T CELL SUBSET PROFILE
SPECIMEN REQUIRED: Whole blood at room temperature
TUBE OR CONTAINER: Lavender (EDTA)
SPECIAL HANDLING: Specimen must be received within 24 hours of
collection
SPECIMEN VOLUME: 2 mL
MINIMUM VOLUME: 1 mL
TEST INCLUDES: % and absolute: CD2, CD3, CD4, and CD8; WBC and
% lymphocyte
TEST AVAILABILITY: Monday-Friday