CBC (H/H, RBC, Indices, WBC, Plt)
Test code
CPT code(s)*
Test resources
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Details
Includes
WBC, RBC, Hemoglobin, Hematocrit, MCV, MCH, MCHC, RDW, Platelet Count
Methodology
Electronic Cell Sizing/Counting/Cytometry/Microscopy
Alternative name(s)
CBC w/o Diff,CBC, Plt, RDW,Hemogram & Platelet,Complete Blood Count
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | Whole blood from a full EDTA (lavender-top) tube |
| Alternative specimen(s) | Whole blood from a full EDTA (tan-top) tube |
| Minimum volume | Microtainer 0.5 mL • 1 mL whole blood EDTA 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. |
| Transport container | EDTA (lavender-top) tube |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 48 hours |
| Reject criteria | Gross hemolysis • Clotted • Received frozen |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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