Total T Lymphocytes (CD3) / T-Helper Lymphocytes (CD4) / T Suppressor Lymphocytes (CD8)
Performed:
Daily
Released:
24 hours
CPT Code:
86359 / 86360
Specimen Collection Details
Collection:
One 4 mL lavender top tube (EDTA).
Handling:
Submit specimens to the laboratory within 48 hours. If specimens will not be received in the laboratory within 24 hours, perform a CBC and submit results with specimen at ambient temperature or refrigerated.
Stability:
48 hours ambient or refrigerated. Unstable frozen.
Standard Volume:
4 mL whole blood.
Minimum Volume:
1 mL whole blood.
Transport:
Ambient or refrigerated.
Comments:
Provide patient’s Social Security Number and date of birth to assure correct matching of patient for cumulative historical reports. NOTE: for evaluation of possible lymphoma, CLL or other lymphoproliferative disorders see Flow Cytometry, Lymphoid Panel (29400).
Rejection Criteria:
Clotted or frozen specimen; specimen more than 48 hours old at time of testing.
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