Lymphocyte Quantitation (T, B and NK)
Orderable EAP code:
Billable EAP Codes:
CPT Codes:
Lab Section:
Turnaround Time:
Routine: 1 day
Test Schedule:
Monday through Friday, 8:00 am to 4:30 pm; Saturday and Sunday 9:00 am to 4:00 pm.
Units:
Related Links:
Specimen Requirements:
3 mL blood in a LAVENDER top (EDTA) tube. Keep at room temperature. Room temperature samples are good for up to 24 hours.
Results from a concurrent WBC with Differential must be received, or it will be added and charged to viable specimens.
Pediatric Specimen Requirements:
1 mL blood in a LAVENDER top (EDTA) tube. Keep at room temperature. Room temperature samples are good for up to 24 hours.
Results from a concurrent WBC with Differential must be received, or it will be added and charged to viable specimens.
Reference Range:
Comments:
Decreased CD4 cell number is consistent with HIV infection but is not diagnostic. Inverted CD4/CD8 ratio can be seen in many viral infections.
Synonyms:
AIDS Panel
AIDS T Cell Markers
B cells
CD4
CD4 Lymphocytes with CD8 and CD4/CD8 Ratio
CD8 ratio
Helper T Supressor Ratio
NK cells
T and B cell subset
T Cell Quant (T, B, and NK)
T Cell Subsets
T cells
T4
T8