Test Overview of Complete Blood Count (CBC) Panel
Primary screening test given to new patients and annually thereafter.
Test Indications of Complete Blood Count (CBC) Panel
- New patient.
- Annual physical.
- Preoperative.
Sample Collection for Complete Blood Count (CBC) Panel
- Requires 5 mL Lavender-top (EDTA) tube (or Microtainer for infants).
- Invert 6 times after drawing to prevent clotting.
- Protect sample from extreme heat or cold; submit to lab within 24 hours.
Your doctor or lab may have different instructions that supersede the above.
CPT CODES for Complete Blood Count (CBC) Panel
| CPT-Code | Description | Comments |
|---|---|---|
| 85025 | Standard automatic differential count. | |
| 85027 | Manual differential if warranted. | |
| 85007 | Manual differential if warranted. |
Labs Performing Complete Blood Count (CBC) Panel Test
| Name of Lab | Lab Code | Estimated Cost | Processing Time | Comments |
|---|---|---|---|---|
 Sonora Quest |
3000 | 1 day | ||
| Sonora Quest |
35811 | 1 day | Also includes Metabolic Panel. Also need 5 mL separator tube. |
Costs cited are subject to change and may be reduced by insurance or cash discounts and increased by sample collection fees.
Theory of Complete Blood Count (CBC) Panel
WBC
[Weatherby2010, pp 388-392]
RBC
[Weatherby2010, pp 393-398]
Hemoglobin
[Weatherby2010, pp 408-413]
Hematocrit
[Weatherby2010, pp 402-407]
MCV (Mean Corpuscular Volume)
[Weatherby2010, pp 414-418]
MCH (Mean Corpuscular Hemoglobulin)
[Weatherby2010, pp 419-423]
MCHC (Mean Corpuscular Hemoglobulin Concentration)
[Weatherby2010, pp 424-428]
Platelet Count
RDW (sd) (Red Cell Distribution Count)
RDW (cv) (Red Cell Distribution Width Center Value %)
[Weatherby2010, pp 429-430]
MPV (Mean Platelet Volume)
Segmented Neutrophils (bands) %
Lymphocytes %
Monocytes %
Neutrophils %
Eosinophils %
Basophils %
Absolute Neutrophil Count
Absolute Lymphocyte Count
Absolute Monocyte Count
Absolute Eosinophil Count
Absolute Basophil Count
Immature Granulocytes
Absolute Immature Granulocytes
Nucleated Red Blood Cells % (NRBC RE)
References regarding Complete Blood Count (CBC) Panel
Unless specifically noted above, references used in the construction of this web page include the following:
[FMU] Lecture notes from Functional Medicine University.
[SCNM] Lecture notes from Southwest College of Naturopathic Medicine.
[UT] Lecture notes from the University of Tennessee graduate programs in Chemistry, Microbiology, and Biochemistry.