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
Heparinized samples, ACD samples
Clotted specimens
Stability
Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Methodology
Flow Cytometry
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
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
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes