A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
CD4 & CD8 COUNT
MessageCD8 is not orderable as a single-order test.
Test Code
CD48C
CPT Codes
86359; 86360
Includes
CD48C test includes:
Absolute Lymphocytes, Percentage CD3, Absolute CD3, Percentage CD4, Absolute CD4, Percentage CD8, Absolute CD8, CD4/CD8 Ratio (calculated)
Absolute Lymphocytes, Percentage CD3, Absolute CD3, Percentage CD4, Absolute CD4, Percentage CD8, Absolute CD8, CD4/CD8 Ratio (calculated)
Preferred Specimen
1 Lavender tube (EDTA) Primary tube must be submitted - cannot perform this test as an add-on.
Minimum Volume
2 mL
Instructions
Deliver specimen to laboratory ASAP. Submit whole blood, do not centrifute.
Transport Temperature
Room temperature
Specimen Stability
Room temperataure up to 48 hours
(Test set up as batch, early am only)
(Test set up as batch, early am only)
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen too old for analysis or improperly stored. Plasma samples will not be accepted.
Methodology
Flow cytometry
Setup Schedule
M, T, W, Th, F, Sa
Report Available
Report available within 24 hours of receipt Monday - Saturday
Report available within 48 hours of receipt Sunday and holidays
Reference Range
CD3% | 58-84 |
CD3 cells/uL | 856-2237 |
CD4% | 34-65 |
CD4 cells/uL | 518-1472 |
CD8% | 13-38 |
CD8 cells/uL | 205-924 |
CD4/CD8 Ratio | 0.9-5.0 |
Clinical Significance
Serial monitoring of CD4 T-cell count in HIV-positive patients. Useful for follow-up and diagnostic evaluation of primary cellular immunodeficiencies including severe combined immunodeficiency.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NMB10 (Molecular Biology, Flow)
Last Updated: April 8, 2024