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Test ID: CBC
CBC with Differential, Blood

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Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

RED BLOOD CELL COUNT (RBC)

Males

Birth: 3.90-5.50 x 10(12)/L

1-7 days: 3.90-6.00 x 10(12)/L

8-14 days: 3.60-6.00 x 10(12)/L

15 days-1 month: 3.00-5.50  x 10(12)/L

2-5 months: 3.10-4.50 x 10(12)/L

6-11 months: 3.70-6.00 x 10(12)/L

1-2 years: 3.70-6.00 x 10(12)/L

2 years: 4.10-5.10 x 10(12)/L

3-5 years: 4.10-5.30 x 10(12)/L

6-11 years: 4.20-5.10 x 10(12)/L

12-15 years: 4.40-5.50 x 10(12)/L

Adults:  4.32-5.72 x 10(12)/L

Females

Birth:  3.90-5.50 x 10(12)/L

1-7 days: 3.90-6.00 x 10(12)/L

8-14 days: 3.60-6.00 x 10(12)/L

15 days-1 month:  3.00-5.50 x 10(12)/L  

2-5 months: 3.10-4.50 x 10(12)/L

6-11 months: 3.70-6.00x 10(12)/L

1-2 years: 3.70-6.00 x 10(12)/L

2 years: 4.10-5.10 x 10(12)/L  

3-5 years: 4.10-5.20 x 10(12)/L

6-11 years: 4.10-5.30 x 10(12)/L

12-15 years: 4.10-5.20 x 10(12)/L

Adults: 3.90-5.03 x 10(12)/L

 

HEMOGLOBIN

Males

Birth -7 days:  13.5-22.0 g/dL

8-14 days: 12.5-21.0 g/dL

15 days-1 month: 10.0-20.0 g/dL

2-5 months: 10.0-14.0 g/dL

6 months-2 years: 10.5-13.5 g/dL

2 years: 11.0-14.0 g/dL

3-5 years:11.0-14.5 g/dL

6-11 years: 12.0-14.0 g/dL

12-15 years: 12.8-16.0 g/dL

Adults: 13.5-17.5 g/dL

Females

Birth-7 days: 13.5-22.0 g/dL

8-14 days: 12.5-21.0 g/dL

15 days-1 month: 10.0-20.0 g/dL

2-5 months: 10.0-14.0 g/dL

6 months-2 years: 10.5-13.5 g/dL

2 years: 11.0-14.0 g/dL  

3-5 years: 11.8-14.7 g/dL

6-11 years: 12.0-14.5 g/dL

12-15 years: 12.2-14.8 g/dL

Adults: 12.0-15.5 g/dL

 

HEMATOCRIT

Males

Birth-7 days: 42.0-60.0%

8-14 days: 39.0-60.0%

15 days-1 month:  31.0-55.0%

2-5 months: 28.0-42.0%

6 months-1 year: 33.0-40.0%

2 years: 33.0-42.0%

3-5 years: 33.0-43.0%

6-11 years: 35.8-42.4%

12-15 years: 37.3-47.3%

Adults: 38.8-50.0%

Females

Birth-7 days: 42.0-60.0%

8-14 days: 39.0-60.0%

15 days-1 month: 31.0-55.0%  

2-5 months: 28.0-42.0%

6 months-1 year: 33.0-40.0%

2 years: 33.0-42.0%

3-5 years: 35.0-44.0%

6-11 years: 35.7-43.0%

12-15 years: 36.3-43.4%

Adults: 34.9-44.5%

 

MEAN CORPUSCULAR VOLUME (MCV)

Males

Birth:  98.0-120.0 fL

1-7 days: 88.0-120.0 fL

 8-14 days: 86.0-120.0 fL

15 days-1 month: 85.0-110.0 fL  

2-5 months: 77.0-110.0 fL

6 months-5 years: 74.0-89.0 fL

6-11 years: 76.5-90.6 fL

12-15 years: 81.4-91.9 fL

Adults: 81.2-95.1 fL

Females

Birth:   98.0-120.0 fL

1-7 days: 88.0-120.0 fL

8-14 days: 86.0-120.0 fL

15 days-1 month: 85.0-110.0 fL  

2-5 months: 77.0-110.0 fL

6 months-5 years: 74.0-89.0 fL

6-11 years: 78.5-90.4 fL

12-15 years: 79.9-92.3 fL

Adults: 81.6-98.3 fL

 

RED CELL DISTRIBUTION WIDTH (RDW)

Males

<2 years: not established  

2 years: 12.0-14.5%

3-5 years: 12.0-14.0%

6-11 years: 12.0-14.0%

12-15 years: 11.6-13.8%

Adults: 11.8-15.6%

Females

<2 years: not established

2 years: 12.0-14.5%

3-5 years: 12.0-14.0%

6-11 years: 11.6-13.4%

12-15 years: 11.2-13.5%

Adults: 11.9-15.5%

 

WHITE BLOOD CELL COUNT (WBC)

Males

Birth:  9.0-30.0 x 10(9)/L

1-7 days: 9.4-34.0 x 10(9)/L

8-14 days: 5.0-21.0 x 10(9)/L

15 days-1 month:  5.0-20.0 x 10(9)/L

2-5 months: 5.0-15.0 x 10(9)/L

6 months-2 years: 6.0-11.0 x 10(9)/L

2 years: 5.0-12.0 x 10(9)/L

3-5 years: 4.0-12.0 x 10(9)/L

6-11 years: 3.4-9.5 x 10(9)/L

12-15 years: 3.6-9.1 x 10(9)/L

Adults: 3.5-10.5 x 10(9)/L

Females

Birth:  9.0-30.0 x 10(9)/L

1-7 days: 9.4-34.0 x 10(9)/L

8-14 days: 5.0-21.0 x 10(9)/L

15 days-1 month: 5.0-20.0 x 10(9)/L

2-5 months: 5.0-15.0 x 10(9)/L

6 months-2 years: 6.0-11.0 x 10(9)/L

2 years: 5.0-12.0 x 10(9)/L

3-5 years: 4.0-12.0 x 10(9)/L

6-11 years: 3.4-10.8 x 10(9)/L

12-15 years: 4.1-8.9 x 10(9)/L

Adults: 3.5-10.5 x 10(9)/L

 

NEUTROPHILS

Birth:  9.00-26.00 x 10(9)/L

1-7 days: 1.50-10.00 x 10(9)/L

8-14 days: 1.00-9.50 x 10(9)/L

15 days-1 month: 1.00-9.00 x 10(9)/L

2-5 months: 1.00-8.50 x 10(9)/L

6 months–5 years: 1.50-8.50 x 10(9)/L

6-11 years: 1.50-8.50 x 10(9)/L

12-15 years: 1.80-8.00 x 10(9)/L

Adults: 1.70-7.00 x 10(9)/L

 

LYMPHOCYTES

Birth:  2.00-11.00 x 10(9)/L

1-7 days: 2.00-11.00 x 10(9)/L

8-14 days: 2.00-17.00 x 10(9)/L

15 days-1 month: 2.50-16.50 x 10(9)/L

2-5 months: 4.00-13.50 x 10(9)/L

6 months–11 months: 4.00-10.50 x 10(9)/L

1-5 years: 1.50-7.00 x 10(9)/L

6-11 years: 1.50-6.50 x 10(9)/L

12-15 years: 1.20-5.20 x 10(9)/L

Adults: 0.90-2.90 x 10(9)/L

 

MONOCYTES

Birth-14 days: 0.40-1.80 x 10(9)/L

15 days-11 months: 0.05-1.10 x 10(9)/L

1-15 years: 0.00-0.80 x 10(9)/L

Adults: 0.30-0.90 x 10(9)/L

 

EOSINOPHILS

Birth–5 months: 0.02-0.85 x 10(9)/L

6 months–11 months: 0.05-0.70 x 10(9)/L

1-5 years: 0.0-0.65 x 10(9)/L

6-15 years: 0.00-0.50 x 10(9)/L

Adults: 0.05-0.50 x 10(9)/L

 

BASOPHILS

Birth-5 months: 0.00-0.60 x 10(9)/L

6 months–16 years: 0.00-0.20 x 10(9)/L

> or =17 years: 0.00-0.30 x 10(9)/L

 

PLATELETS

Birth-5 months: 150-350  x 10(9)/L

> or =6 months: 150-450 x 10(9)/L



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