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Test Code LAB293 Complete Blood Count (CBC), with Automated Differential

Useful For

Screening, diagnosing, and monitoring patients in the areas of allergic reaction, bleeding, hematopoiesis, and inflammatory response.

Methodology

Automated

Profile Information

Testing includes:

  • WBC count
  • RBC count
  • Hemoglobin (Hgb)
  • Hematocrit (Hct)
  • Mean Corpuscular Volume (MCV)
  • Mean Corpuscular Hemoglobin (MCH)
  • Mean Corpuscular Hemoglobin Concentration (MCHC)
  • Red Cell Distribution Width (RDW)
  • Mean Platelet Volume (MPV)
  • Platelets
  • Nucleated Red Blood Cells (NRBC)
  • Differential, automated.

Testing Algorithm:

Abnormal CBCs, that meet certain laboratory established criteria, will have a manual differential performed.

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Whole blood

Container/Tube: Lavender top (EDTA) or lavender top (EDTA) Microtainer

Specimen Volume: 4 mL

Pediatric Volume: 1 full Microtainer

Collection Instructions: If there is a delay in transport of >24 hours, refrigerate specimen and send specimen refrigerated.

Specimen Transport Temperature

Ambient <24 hours/Refrigerated>24 hours

Specimen Stability

 

Specimen Type Temperature Time
Whole blood (EDTA) Ambient 24 hours
  Refrigerated 48 hours

 

Reference Values

Reference Values established for ≥ 18 years of age:

 

Component Normal Range Critical Values
WBC 3.2-10.8 K/uL  > 29.9 K/uL
RBC Male

4.64-6.16 M/uL

  
Female

4.00-5.60 M/uL

  
Hemoglobin Male

14.0-18.0 g/dL

<7.1 or >19.9 g/dL
Female

12.0-17.0 g/dL

<7.1 or >19.9 g/dL
Hematocrit Male

42.0-55.0 %

<21.1 or >59.9 %
Female

37.0-51.0 %

<21.1 or >59.9 %
MCV 80.0-99.0 fL  
MCH 27.2 - 34.4 pg  
MCHC 31.7 - 34.9 g/dL  
RDW-CV 11.5-15.5%  
RDW-SD 35.5-50.0 fL  
Platelets 140 - 440 K/uL <30 K/uL
MPV

8.6-11.8 fL

  
Neutrophils absolute 1.4 - 6.5 K/uL  
Lymphocytes absolute 1.2 - 3.4 K/uL  
Monocytes absolute 0.2 - 1.0 K/uL  
Eosinophils absolute 0.0 - 0.7 K/uL  
Basophil absolute 0.0 - 0.5 K/uL  
NRBC <2/100 WBC's  

 

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85025