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CBC WITHOUT DIFFERENTIAL
Test CodeLAB294
Quest Code
1759
CPT Codes
85027
Includes
WBC, RBC, Hemoglobin, Hematocrit, MCV, MCH, MCHC, RDW, Platelet Count
Preferred Specimen
Whole blood from a full EDTA (lavender-top) tube
Minimum Volume
Microtainer 0.5 mL • 1 mL whole blood EDTA tube
Other Acceptable Specimens
Whole blood from a full EDTA (tan-top) tube
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.
Note: If drawn with lead testing, EDTA (tan-top) is required.
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
Mon-Sat
Report Available
2 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-Lenexa |
| 10101 Renner Blvd |
| Lenexa , KS 66219-9752 |
Last Updated: August 13, 2021
