Test Details

Mnemonic

CD48

Ordering Code

3080150

CPT-4 Code(s)

86360

Specimen Information

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Collect

Lavender EDTA

Specimen Preparation

Send 4.0 mL whole blood room temperature in original collection tube. Ship within 24 hours of collection. If a sample collected Thursday is not received by Saturday, 72 hour stability will be exceeded by Monday and testing will be canceled.

Minimum Volume

1.0 mL

Transport Temperature

Room temperature

Rejection Criteria

Refrigerated and frozen samples
Heparinized samples, ACD samples
Clotted specimens

Stability

Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Methodology

Flow Cytometry
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Reference Range

Adult >16 years
T Helper Cell (CD4) 35 - 66%
T Helper Cell (CD4) 443 - 1471 C/UL
T Suppressor Cell (CD8) 9 - 37%
T Suppressor Cell (CD8) 190 - 832 C/UL
T4/T8 Ratio (CD4:CD8) 1.0 - 3.7 Ratio
<16 years: See report
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Performing Laboratory

Warde Medical Laboratory
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New York DOH Approval Status

No
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