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Test Code LAB90281 CD4 Count, Blood

Reporting Title

CD4 Count

Methodology

Flow Cytometry

Useful for monitoring CD4 counts.

Performing Laboratory

OhioHealth Laboratory Services-RMH Special Testing

Specimen Requirements

Draw blood in a lavender-top (EDTA) tube(s) and send EDTA whole blood. (Grossly hemolyzed specimen is not acceptable.) Mix by gently inverting 8 times. Forward promptly at ambient temperature only

 

Specimen Stability Information:

Sample is stable at room temperature for 48 hours. Do not refrigerate or freeze

Specimen Transport Temperature

Ambient OK / Refrigerate NO / Frozen NO

Reference Values

%CD4 (helper cells):  32-58%

Absolute CD4:  430-1,580 cells/µL

Day(s) Test Set Up

Monday through Friday

Saturday; if received before 10 a.m.

Test Classification and CPT Coding

86361