ABSOLUTE CD4 AND CD8 COUNT

General Information

HLAB/HOL Code: CD48
UPHSM LIS Test #: 6375
Schedule: Monday - Saturday
Testing Time: Approx 4 hours
Testing Lab: UP Health System-Marquette

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 5 mL whole blood
Temperature: Ambient
Tube Type: 1 Lavender Top
Collection Info:
For reference accounts, samples must arrive within 48 hrs of collection. Collect samples Monday through Friday.

Methods

Flow Cytometry

Clinical Utilities

Determining percentages and absolute counts for markers CD4 and CD8. Ratio of Helper cells to Suppressor cells is also reported.

CPT Codes

86360

* 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.

Reference Range

% Helper cells (CD4)
0-2 months: 35-64%
3-5 months: 35-56%
6-11 months: 31-56%
12-23 months: 32-51%
2-5 years: 28-47%
6-11 years: 31-47%
12-17 years: 31-52%
>=18 years: 32-60% or as indicated on report

% Suppressor cells (CD8)
0-2 months: 12-28%
3-5 months: 12-23%
6-11 months: 12-24%
12-23 months: 14-30%
2-5 years: 16-30%
6-17 years: 18-35%
>=18 years: 16-40% or as indicated on report

Helper cells (CD4)
0-2 months: 1,600-4,000 cells/uL
3-5 months: 1,800-4,000 cells/uL
6-11 months: 1,400-4,300 cells/uL
12-23 months: 1,300-3,400 cells/uL
2-5 years: 700-2,200 cells/uL
6-11 years: 650-1,500 cells/uL
12-17 years: 530-1,300 cells/uL
> or =18 years: 280-1300 cells/uL or as indicated on report

Suppressor cells (CD8)
0-2 months: 560-1,700 cells/uL
3-5 months: 590-1,600 cells/uL
6-11 months: 500-1,700 cells/uL
12-23 months: 620-2,000 cells/uL
2-5 years: 490-1,300 cells/uL
6-11 years: 370-1,100 cells/uL
12-17 years: 330-920 cells/uL
> or =18 years: 125-946 cells/uL or as indicated on report

LYMPHOCYTE RATIO

H/S ratio: > or = 1.0 - 4.0