91520      CD4/CD8 Panel
Specimen:
  Collect: One 4 mL Green Top (Li Heparin)

Also Acceptable
One 4 mL Lavender (EDTA)
One 4 mL Green Top (Na Heparin) 
  Submit: 5 mL (Min:3 mL) Whole blood. Submit Ambient.  
  Special Handling: Critical Ambient
Time Sensitive
Specimens must reach Interpath within 24 hours of collection. 
  Rejection Criteria: Clotted Specimen
Specimens submitted in pour-off tubes
Samples in non-Hemogard tubes.
Samples older than 48 hours. 
Methodology: Flow Cytometry 
Performed: Sun-Sat 
Reported: 2-3 Day(s) 
CPT Codes:
8635986360
Interpretive Data: Please see report for interpretive data.
Components:
91521 - ABSOLUTE CD491522 - ABSOLUTE CD8
91523 - ABSOLUTE CD391524 - CD4:CD8 RATIO
91525 - INTERPRETATION