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Complete Blood Count with Differential (CBC WITH DIFF)

Laboratory : Hematology

Test ID/Workstation :
Specimen Type:
Tube Type:
Purple top (EDTA) tube: Whole Blood
Collection Volume:
2.0 mL EDTA (minimum 0.3 mL) and 2 fresh smears
Cause for Rejection:
Specimens hemolyzed, clotted diluted with IV fluid, or collected in heparin; tubes improperly filled; specimens at RT > 8 hours or 4C> 24 hours
Daily, 24 hours; STAT
Impedance measurement with Optical Flow light scatter and fluorescent measurements and microscopic evaluation of a Wright's stained blood film
Special Instructions:
Indicate clearly if the specimen has been drawn from an arterial line or from a line that has been rinsed with heparin.
8 hours
Additional Info:
Reference ranges available on patient report
CPT Code:
Profile Includes:
  • WBC
  • Nucleated RBC
  • RBC
  • Hemoglobin
  • Hematocrit
  • MCV
  • MCH
  • MCHC
  • RDW
  • Platelets
  • MPV
  • % Immature Granulocyte
  • Absolute Neutrophil Number
  • Band Neutrophils
  • Segmented Neutrophils
  • Lymphocytes
  • Monocytes
  • Promyelocytes
  • Metamyelocytes
  • Myelocytes
  • Cell Morphology
  • Synonyms:
    Complete Blood Count; Hemogram & Smear Review; CBC with Diff
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