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HelpTest Code HSR Helper Suppressor Ratios (CD4/CD8 Ratio), Blood
Methodology
Flow Cytometry
Specimen Requirements
Specimen must arrive within 24 hours of draw.
ACD and EDTA whole blood are required for this test.
Draw a full, yellow-top (ACD) tube and a full, lavender-top (EDTA) tube. Forward unprocessed whole blood promptly.
Specimen Stability Information
|
Specimen Type |
Temperature |
Time |
| Whole blood, EDTA | RT |
48 hrs |
|
Whole blood, ACD |
RT | 72 hrs |
Reference Values
CD4
Percent: 30-61
Absolute: 401-1,532
CD8
Percent: 12-42
Absolute: 152-838
CD4/CD8 Ratio: 1.1-1.9
Reject Due To
| Clotted | Reject |
|
Hemolysis |
NA |
|
Lipemia |
NA |
|
Icterus |
NA |
Day(s) Test Set Up
Monday, Wednesday, Friday
Secondary ID
HHA1420
Performing Laboratory
Huntsville Hospital Laboratory
Test Classification and CPT Coding
86360 - each monoclonal