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Test Code LAB3591 Dermatology T-Lymphocyte Cell Count, Whole Blood

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic
DERM T CELLS LAB3591 DERMT

 

Methodology

Flow Cytometry/Immunostaining

Includes CD3, CD4, and CD8 percent cells; and CD3, CD4, and CD8 absolute counts.

Specimen Requirements

Specimen must arrive at SMDC Main Laboratory the day of collection or ASAP thereafter. Testing must be completed within 48 hours of draw.

 

Specimen Type: Whole blood

Container/Tube: Lavender top (EDTA)

Specimen Volume: 2 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions: Specimen cannot be frozen.

Specimen Transport Temperature

Ambient/Refrigerate NO/Frozen NO

Day(s) Test Set Up

Monday through Sunday (day shift only)

Reference Values

PERCENT CELLS

CD3: 56-93%

CD4: 29-76%

CD8: 5-49%

ABSOLUTE COUNTS

CD3: 537-2,939 cells/µL

CD4: 321-2,124 cells/µL

CD8: 46-1,346 cells/µL

Test Classification and CPT Coding

86359-T-cells, total count

86360-Absolute CD4/CD8 count with ratio

Performing Laboratory

Special Hematology-

SMDC Clinical Lab