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Test Code
CD4PR
Test Name
CD4/CD8 Profile
CPT Codes
86359, 86360
Included Tests
  • CD3 Absolute Count
  • % CD3
  • CD4 Absolute Count
  • % CD4
  • CD8 Absolute Count
  • % CD8
  • CD4/CD8 Ratio
  • Lymphocyte Absolute Count
Expected Turnaround Time
1 - 4 days
Clinical Utility

Evaluation of patient's immune status.
Specimen and Container Info

Specimen Type: Peripheral Blood

Collection Container: Lavender Top (EDTA)

Desired Specimen Volume: 3 mL

Minimum Specimen Volume: 1 mL
Processing and Submission Instructions

If collecting on a Friday before a Monday holiday, the sample must be received in the Flow Cytometry Department by 1600. Call the Flow Cytometry Department with any questions.
Transport Instructions

Transport specimen to the laboratory at room temperature.
Stability Requirements

Room Temperature

72 hours
Causes for Rejection
  • Specimens greater than 72 hours old
  • Refrigerated specimens
  • Frozen specimens
  • Hemolyzed specimens
  • Clotted specimens
  • Incorrect specimen type
  • Incorrect specimen container
Methodology
Flow Cytometry
Performing Location
Roble Road Core Laboratory
Alternate Names
  • Helper/Suppressor Ratio by Flow Cytometry
  • T Cell Subsets
  • T Cell Enumeration by Flow Cytometry
Testing Schedule
Routine, Monday - Friday no holidays
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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