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St. John Health System
Lab Catalog


Index:

Lymphocyte Absolute CD4 and CD8

Order Name T HELP/CYTOTOX
Test Number: 5603200
Revision Date 05/24/2023
Test Name Methodology LOINC Code
Lymphocyte Absolute CD4 and CD8
Flow cytometry  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL each (3 mL each) Whole Blood EDTA (Lavender) and ACD Sol A/B (Yellow Top) Room Temperature
Instructions Collect Whole blood in Both ACD Solution A or B (Yellow Top) and EDTA (Lavender Top).
Keep whole blood, do not centrifuge or refrigerate.
Deliver to the laboratory ASAP - Same Day as Collection!
Stability:  Room Temperature,  Yellow-top (ACD-A) or (ACD-B) tube: 2 days Lavender-top (EDTA) tube: 1 day

Collect Monday through Wednesday only. Specimens must be received at Labcorp Oklahoma Inc. by Wednesday afternoon or collect on Monday.
GENERAL INFORMATION
Testing Schedule Testing schedule may vary 
Expected TAT 3-5 Days 
Clinical Use Immunophenotype of T lymphocytes. 
Notes This panel is also known as: T Helper and Suppressor Cells (CD4/CD8)

 
CPT Code(s) 86359, 86360
Internal Comments 5/4/17 changed cpt: from 86359, 86360 to 86361,86360 to match cs pricing tool- JK
10/23/17 changed from immuno to flow - JK
02/04/19: Added link to interpretative data
5/22/19 changed cpt from 86361,86360 to 86360 per Heather - JK
5/24/23
Click here for additional interpretative information
86360 (CD4/CD8 combined with ratio bill single 86360)
to
86359, 86360
09/16/2024 - added stability to instructions section per TQM LCA spreadsheet - bm
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Reference Lab