Stanford Hospital & Clinics and Lucile Packard Children’s Hospital

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   The CPT codes                provided are based on       AMA guidelines and
   are for informational         purposes only. CPT
   coding is the sole               responsibility of the        billing party. Please
   direct any questions        regarding coding to
   the payer being billed.
RESULT
Found 1 matches for: TBLYM
T Subsets and B Lymphs, Whole Blood Order Code:  TBLYM
Synonyms: Total B Cell, CD4, CD8, and CD 4/8 Ratio
Specimen Type: Whole Blood
Container Type: Lavender-top tube (EDTA)
Required Volume: 4 mL
Minimum Volume (Pediatric): 1 mL
Methodology: Flow Cytometry. Only dual CD8 and CD3-positive lymphocytes are enumerated as suppressor cells, eliminating T cytotoxic or NK cells, which may have weak surface suppressor antigen without pan-T CD3 expression. Absolute counts calculated using electronic impedance WBC and % lymphocytes.
Components: CD3 % and absolute count, CD19% and absolute count, CD4 % and absolute count, CD8 % and absolute count, CD3 neg/CD16+56 (NK) % and absolute count
Standard Run Times: Daily
Turnaround Time: 24 hours/next day
Special Handling: Transport at Room Temperature, to be received within 24 hours of collection.
CPT Codes: 86355, 86357, 86359, 86360
Causes For Rejection: Specimen clotted, > 24 hours old.