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Test Name:
CBC without Differential
- SBMF No:
25014 - Performance Lab Name:
Hematology - Test Mnemonic:
CBCH - ABN:
May be required – Medical Necessity - CPT Code:
85027 - LOINC Code:
6690-2; 789-8; 718-7; 4544-3; 787-2; 785-6; 786-4; 788-0; 777-3 - Test Includes:
White Blood Cells (WBC)
Red Blood Cells (RBC)
Hemoglobin (HGB)
Hematocrit (HCT)
Mean Corpuscular Volume (MCV)
Mean Corpuscular Hemoglobin (MCH)
Mean Corpuscular Hemoglobin Concentration (MCHC)
RBC Distribution Width (RDW)
Platelets (PLT) - Also See:
25517 CBC with Automated Differential - Spec Type:
Whole blood - Spec Container:
Lavender top (EDTA) tube - Pref Vol:
5.0 mL - Min Vol:
1.0 mL - Fasting:
No - Spec Collect:
Routine venipuncture
Tube must fill to one-half, or greater, of vacuum capacity
Immediately after collection, gently invert tube to mix - Spec Process:
Do not centrifuge
Do not remove plasma from cells - Spec Store Transport:
Refrigerated
Optimally, specimen should be received for testing within 24 hours of collection time - Spec Stability:
8 hours room temperature (20-30°C)
24 hours refrigerated (2-8°C)
Frozen (-20°C): Unacceptable - Spec Reject:
Collection tube not filled at least ½ of vacuum capacity
Clotted, hemolyzed, or centrifuged sample - Use:
To rule out anemia, leukemia, inflammation, and infection - Clinical Significance:
Also see:
- Reference Range:
WBC: 4.0-11.0 K/μL
RBC, Male: 3.9-5.9 M/μL
RBC, Female: 3.7-5.4 M/μL
Hgb, Male: 13.0-17.3 g/dL
Hgb, Female: 11.4-15.4 g/dL
Hct, Male: 39-53%
Hct, Female: 35-47%
MCV: 81-100 fl
MCH: 27-34 pg
MCHC: 30-36 g/dL
Platelets: 130-470 K/μL
RDW: 12.2-15.2% - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
4 hours - Test Type:
HEMATOLOGY
