CBC (includes Differential and Platelets)
Also known as: Coulter CBC, Complete Blood Count
Use
A complete blood count is used as a screening test for various disease states, including anemia, leukemia, and inflammatory processes.
Special Instructions
Not provided.
Limitations
Not provided.
Methodology
Automated Analyzer (Cellular analysis / Cytometry)
Biomarkers
Concentration / Level
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
Not provided
Minimum Volume
0.5 mL microtainer • 1 mL whole blood EDTA tube
Container
EDTA (lavender-top) tube
Collection 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. Note: If drawn with lead testing, EDTA (tan-top) is required.
Causes for Rejection
Gross hemolysis • Clotted • Received frozen
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 48 hours (may cause platelet clumping) |