Complete Blood Count

CBC , Antrim #27045, EPIC: LAB5141, SOFT: CBCND

Specimen Collection Criteria

Collect (preferred specimen): One 4.0 mL Lavender-top Becton Dickinson K2EDTA tube. (Min: 2.0 mL)
Also acceptable: One Lavender-top K2EDTA Microtainer®. (Min: 300 mcL)
See Minimum Pediatric Specimen Requirements for Microtainer® collection.

Physician Office/Drawsite Specimen Preparation

Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport. Room temperature (20-26°C or 68-78.8°F) is acceptable for a maximum of 8 hours.

Preparation for Courier Transport

Transport: Whole blood or capillary blood, refrigerated (2-8°C or 36-46°F). (Min: 2.0 mL whole blood or 300 mcL capillary blood)

Rejection Criteria

  • Specimens containing clots.
  • Insufficient volume.
  • Frozen specimens.


0,Original specimens are stable for 8 hours at room temperature (20o to 26o C; 68o to 79o F). Refrigerated specimens (2-8oC) are stable for 72 hours.


Sunday - Saturday, 24 hours a day.
STAT results available in 30 minutes; 60 minutes if further verification is necessary.
Routine results available within 90 minutes, unless further verification is necessary.

Reference Range

Parameter Female Male
WBC (bill/L) 3.3-10.7 3.5-10.1
RBC (tril/L) 3.87-5.08 4.31-5.48
Hemoglobin (g/dL) 12.1-15.0 13.5-17.0
HCT (%) 35.4-44.2 40.1-50.1
MCV (fL) 80-100 80-100
MCH (pg) 28-33 28-33
MCHC (g/dL) 32-35 32-36
RDW-SD (fL) 40-50 37-47
RDW-CV (%) 12-15 12-15
Platelet (bill/L) 150-400 150-400

Please see Pediatric Reference Range.

Test Methodology

Grosse Pointe: SYSMEX XN Series.
Farmington Hills, Royal Oak & Troy: SYSMEX XE Series.

Clinical Utility

This assay measures the hematologic parameters of the blood. It aids in the evaluation of anemia, leukemia, reaction to inflammation and infections, peripheral blood cell characteristics, state of hydration and dehydration, polycythemia, hemolytic disease of the newborn, and ABO incompatibilities.

CPT Code


Test Codes

Antrim #27045, EPIC: LAB5141, SOFT: CBCND

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