CBC (includes Differential and Platelets)

Test Code
6399


CPT Codes
85025

Includes
WBC, RBC, Hemoglobin, Hematocrit, MCV, MCH, MCHC, RDW, Platelet Count, MPV and Differential (Absolute and Percent - Neutrophils, Lymphocytes, Monocytes, Eosinophils, and Basophils)
If abnormal cells are noted on a manual review of the peripheral blood smear or if the automated differential information meets specific criteria, a full manual differential will be performed.


Preferred Specimen
Whole blood from a full EDTA (lavender-top) tube


Minimum Volume
Microtainer 500 uL • 1 mL


Instructions
Maintain specimen at room temperature. Do not refrigerate. If multiple draw, collect EDTA (lavender-top) tube last. Traumatic draw can introduce thromboplastin and trap WBC and platelets. Refrigeration can precipitate fibrin and trap WBC and platelets.


Transport Container
EDTA (lavender-top) tube


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 48 hours
Refrigerated: 48 hours (may cause platelet clumping)
Frozen: Unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Clotted • Received frozen


Methodology
Electronic Cell Sizing/Counting/Cytometry/Microscopy

Setup Schedule
Daily


Report Available
2-3 days


Reference Range
See Laboratory Report


Clinical Significance
A complete blood count is used as a screening test for various disease states to include: anemia, leukemia and inflammatory processes.


Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042



Last Updated: November 6, 2024


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.