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Click on the first letter of test name, or select test group, to review specifications:

 

CBC
Alternate Names: Complete Blood Count with Differential
Complete Blood Count without Differential
Test includes: WBC MCH (mean corpuscular hemoglobin)
RBC MCHC (mean corpuscular hemoglobin concentration)
Hemoglobin RDW (red cell distribution width)
Hematocrit Platelet Count
MCV (mean corpuscular volume) Differential (if ordered)
Performed: Daily, 24 Hours
Methodologies

WBC:

 Optical Scatter

RBC:

 Electrical resistance

Hemoglobin:

 Absorption Spectrophotometry

Hematocrit:

 Calculated by instrument

MCV:

 Calculated by instrument (HCT/RBC X 10)

MCH:

 Calculated by instrument (HGB/RBC X 10)

MCHC:

 Calculated by instrument (HGB/HCT X 100)

RDW:

 Calculated by instrument (derived from histogram)

Platelet Count:

 Optical Scatter

Differential:

  

Automated:

 Optical Scatter and Fluorescence

Manual:

 Microsopic
Turnaround Time: Routine: 4 Hours
Stat: < 1 hour

Container / Specimen Requirements

  
    Container / Tube

Adult:

 5 mL lavender VacutainerŽ tube (EDTA)
2.5 mL"short draw" lavender VacutainerŽ tube (EDTA)

Neonate:

 lavender MicrotainerŽ tube (EDTA)
    Minimum Volume: 1 ml
Special Handling or Timing of Specimen: None
Preparation of Patient: None
Reference Ranges

WBC

18 years - adult:

 4.8 - 10.8 K /ml 

15 - 18  years:

 4.5 - 13.0 K /ml 

6 - 15 years:

 4.5 - 13.5 K /ml 

3 - 6 years:

 5.5 - 15.5 K /ml 

1 - 3 years:

 6.0 - 17.0 K /ml 

6 months - 1 years:

 6.0 - 17.5 K /ml 

1 - 2 years:

 6.0 - 17.0 K /ml 

1 - 6 months:

 6.0 - 17.5 K /ml 

14 days - 1 month:

 5.0 - 19.5 K /ml 

7 - 14 days:

 5.0 - 20.0 K /ml 

4 - 7 days:

 5.0 - 21.0 K /ml 

0 - 4 days:

 9.0 - 30.0 K /ml 

Critical Values:

 <1.0 or >25.0 K /ml, >15.0 K/ml outpatients, >20.0 K/mL pediatric outpatients
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RBC

18 years - adult:

 female: 4.00-5.40 M /ml 
male: 4.60 - 6.10 M /ml

15 - 18 years:

 female: 3.90 - 5.10 M /ml 
male: 4.20 - 5.60 M /ml 

12 - 15 years:

 female: 3.80 -5.00 M /ml 
male: 4.10 - 5.20 M /ml 

9 - 12 years:

 3.90 - 5.10 M /ml 

6 - 9 years:

 3.80 - 4.90 M /ml 

3 - 6 years:

 3.70 - 4.90 M /ml 

1 - 3 years:

 3.80 - 4.80 M /ml 

9 months - 1 year:

 4.10 - 5.30 M /ml 

6 - 9 months:

 4.00 - 5.30 M /ml 

4 - 6 months:

 3.90 - 5.50 M /ml 

3 - 4 months:

 3.80 - 5.30 M /ml

2 - 3 months:

 2.90 - 3.90 M /ml

1 - 2 months:

 3.20 - 4.00 M /ml

21 days - 1 month:

 3.40 - 4.60 M /ml

14 - 21 days:

 3.60 - 4.80 M /ml

7 - 14 days:

 4.00 - 5.60 M /ml

6 - 7 days:

 4.26 - 5.46 M /ml

5 - 6 days:

 4.30 - 5.70 M /ml

4 - 5 days:

 4.57 - 5.37 M /ml

3 - 4 days:

 4.40 - 5.60 M /ml

2 - 3 days:

 4.41 - 5.81 M /ml

1 - 2 days:

 4.35 - 5.95 M /ml

0 - 1 day:

 4.44 - 5.84 M /ml
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Hemoglobin

18 years - adult:

 female: 12.0 - 16.0 g/dL
male: 14.0 - 18.0 g/dL

15 - 18 years:

 female: 11.7 - 15.3 g/dL
male: 12.3 - 16.6 g/dL

12 - 15 years:

 female: 11.5 - 15.0 g/dL
male: 12.0 - 16.0 g/dL

9 - 12 years:

 12.0 - 15.0 g/dL

6 - 9 years:

 11.5 - 14.5 g/dL

1 - 6 years:

 11.0 - 14.0 g/dL

9 months - 1 year:

 11.3 - 14.1 g/dL

6 - 9 months:

 11.4 - 14.0 g/dL

4 - 6 months:

 11.1 - 14.1 g/dL

3 - 4 months:

 10.3 - 14.1 g/dL

81 days - 3 months;

 10.4 - 12.2 g/dL

67 - 81 days:

 10.3 - 12.1 g/dL

51 - 67 days:

 10.0 - 12.2 g/dL

44 - 51 days:

 10.5 - 13.5 g/dL

37 - 44 days:

 10.4 - 13.4 g/dL

21 - 37 days:

 12.1 - 16.3 g/dL

14 - 21 days:

 13.1 - 18.1 g/dL

7 - 14 days:

 15.0 - 19.6 g/dL

6 - 7 days:

 15.4 - 20.4 g/dL

5 - 6 days:

 15.2 - 19.6 g/dL

4 - 5 days:

 16.5 - 18.7 g/dL

3 - 4 days:

 16.5 - 20.7 g/dL

2 - 3 days:

 16.8 - 20.8 g/dL

1 - 2 days:

 17.1 - 20.9 g/dL

0 - 1 day:

 17.1 - 21.5 g/dL

Critical Values:

 <5 g/dL
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Hematocrit

12 years - adult:

 female: 36.0 - 47.0 %
male: 40.0 - 52.0 %

6-12 years:

 35.0 - 45.0 %
 

2 - 6 years:

 34.0 - 40.0 %
 

6 months - 2 years:

 33.0 - 39.0 %

2 - 6 months:

 29.0 - 41.0 %

1 - 2 months:

 28.0 - 42.0 %

15 days - 1 month:

 31.0 - 55.0 %

8 days - 15 days:

 39.0 - 63.0 %

4 - 8 days:

 42.0 - 66.0 %

0 - 4 days:

 45.0 - 67.0 %

Critical Values:

<20.0 or >65.0 %
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MCV

12 years - adult:

 female: 81.0 - 99.0 fl
male: 80.0-98.0 fl

6 - 12 years:

 77 - 95 fl

2 - 6 years

 75 - 87 fl

6 months - 2 years:

 70.0 - 86.0 fl

2 months - 6 months:

 74.0 - 108.0 fl

1 - 2 months:

 77.0 - 115.0 fl

15 days - 1 month:

 85.0 - 123.0 fl

8 - 15 days:

 86.0 - 124.0 fl

4 - 8 days:

 88.0 - 126.0 fl

0 - 4 days:

 95.0 - 121.0 fl

MCH

12 years - adult:

 27.5 - 33.0 pg

6 - 12 years:

 25.0 - 33.0 pg

2 - 6 years

 24.0 - 30.0 pg

6 months - 2 years:

 23.0 - 31.0 pg

2 months - 6 months:

 25.0 - 35.0 pg

1 month - 2 months:

 26.0 - 34.0 pg

4 days - 1 month:

 28.0 - 40.0 pg

0 - 4 days:

 31.0 - 37.0 PG
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MCHC:

 32 -36 g/dL

RDW:

 10.4 - 14.4%

Platelet Count:

 145 - 400 K/ml

Critical Values:

 <50,000 - >800,000 K/ml

Differential (adult)

Neutrophils:

Lymphocytes:

Monocytes:

Eosinophils:

Basophils:

Absolute Neutrophils:

Absolute Lymphocytes:

Absolute Monocytes:

Absolute Eosinophils:

Absolute Basophils:

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Causes for Specimen Rejection:  Improper labeling
Clotted specimen
CareManager Test Group:
CareManager Name/Alias:		 CLAB
cbc
Specimen Labeling: Click here for policy

 
 
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