Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

CD4P T-CELL SUBSET PANEL

ORDERING INFORMATION:
Sunquest Test Code:
CD4P      Geisinger Epic Procedure Code: CD4P         Geisinger Epic ID: 14856

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Specimen required:
One (1) 4 mL green-top sodium heparin tube whole blood; minimum 3 mL AND one (1) 2 mL lavender-top EDTA tube whole blood; minimum 1.6 mL.
Special notes:
If unable to collect both tube types, testing can be performed on either tube. See stability limits for collection below.

SPECIMEN PROCESSING
Specimen processing instructions:
Do not centrifuge, refrigerate or freeze. 
Transport temperature:
Room temperature. Do not expose to extremes of temperature.
Specimen stability:
Sodium heparin tube stable for 48 hours at room temperature. Lavender (EDTA) tube stable for 48 hours at room temperature.
Rejection criteria:
Stability exceeded, hemolyzed or clotted.

TEST DETAILS
Reference interval:
AGE: CD3 % CD3+/CD4+% CD3+/CD8+ % CD4:CD8 RATIO
17- adult 61 - 88 35 - 62 13 - 35 0.8 - 3.5
10 52-78 25-48 9.0-35.0 0.9-3.4
5 55-78 27-53 19.0-34.0 0.9-2.6
2 43-76 23-48 14.0-33.0 0.9-2.9
15 M 39-73 25-50 11.0-32.0 0.9-3.7
9 M 54-76 31-54 12.0-28.0 1.3-3.9
5 M 50-77 33-58 13.0-26.0 1.6-3.8
2 M 48-75 33-58 11.0-25.0 1.7-3.9
7 D 60-85 41-68 9.0-23.0 1.3-6.3
0 28-76 17-52 10.0-41.0 1.0-2.6


AGE: CD3 Absolute CD3+/CD4+ Absolute CD3+/CD8+ Absolute
17- adult 510-2265 330-1520 150-790
10 800-3500 400-2100 200-1200
5 700-4200 300-2000 300-1800
2 900-4500 500-2400 300-1600
15 M 1400-8000 900-5500 400-2300
9 M 1600-6700 1000-4600 400-2100
5 M 2400-6900 1400-5100 600-2200
2 M 2300-6500 1500-5000 500-1600
7 D 2300-7000 1700-5300 400-1700
0 600-5000 400-3500 200-1900

*Adult ranges established by normal study performed at GMC 2002
*Pediatric ranges from : The Journal of Pediatrics Vol. 130(3), March 1997, pp 388-393
Additional information:
Analysis performed according to CDC Guidelines.
CPT code(s):
86360, 86359
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Total T-cells (CD3);T-helper (CD4+) cells and T-suppressor (CD8+) by % of white blood cells and absolute count with a CD4:CD8 ratio.
Methodology:
Flow Cytometry
Synonyms:
T4 Count, CD4 Count
Absolute CD4
Clinical significance:
Evaluation of T-cell markers is useful in evaluating immune status in immunodeficiency diseases.
Doctoral Director(s:)
Kai Zhang M.D.    
Review Date: 11/14/2018

Performing Locations

Geisinger Medical Center

Performing laboratory: Flow Cytometry
Technical Lead: Michele Adler
Frequency: 1st shift 7am to 5pm call 570-271-5261 during hours of operation.
Performed stat? No
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