COMPLETE BLOOD COUNT (CBC), PEDIATRICS, BLOOD

Includes WBC, RBC, hemoglobin, hematocrit, platelet profiles, and WBC differential.

 

Test Performed At:

 

 

St. Louis Children’s Hospital

 

Specimen Required:

 

 

Draw blood in a lavender-top (EDTA) tube(s), and send 1.0 mL (pediatric: 0.3 mL MICROTAINER®) of EDTA whole blood. Do not overfill. Immediately invert several times to mix blood.

 

Laboratory Notes:

 

 

None

 

Reference Values:

 

 

WBC

 

 

 

0-1 week:

5.0-30.0 K/cumm

 

 

 

1 week-1 month:

5.0-20.0 K/cumm

 

 

 

1-6 months:

6.0-17.5 K/cumm

 

 

 

6 months-2 years:

6.0-17.5 K/cumm

 

 

 

2-6 years:

5.0-15.5 K/cumm

 

 

 

6-12 years:

4.5-13.5 K/cumm

 

 

 

>12 years:

3.8-9.8 K/cumm

 

 

WBC Critical Values (automatic callback):

 

 

 

< 1 week:

<4.0 and >30.0 K/cumm

 

 

 

1 week-12 years:

<4.0 and >20.0 K/cumm

 

 

 

>12 years:

<1.0 and >30.0 K/cumm

 

 

Critical test results will be called initially and every 72 hours thereafter.

 

 

RBC

 

 

 

Males

 

 

 

 

0-1 week:

3.9-6.0 M/cumm

 

 

 

 

1 week-1 month:

3.0-5.4 M/cumm

 

 

 

 

1-6 months:

2.7-4.9 M/cumm

 

 

 

 

6 months-2 years:

3.7-5.3 M/cumm

 

 

 

 

2-6 years:

3.9-5.3 M/cumm

 

 

 

 

6-12 years:

4.0-5.2 M/cumm

 

 

 

 

>12 years:

4.5-5.7 M/cumm

 

 

 

Females

 

 

 

 

0-1 week:

3.9-6.0 M/cumm

 

 

 

 

1 week-1 month:

3.0-5.4 M/cumm

 

 

 

 

1-6 months:

2.7-4.9 M/cumm

 

 

 

 

6 months-2 years:

3.7-5.3 M/cumm

 

 

 

 

2-6 years:

3.9-5.3 M/cumm

 

 

 

 

6-12 years:

4.0-5.2 M/cumm

 

 

 

 

>12 years:

3.9-5.0 M/cumm

 

 

HEMOGLOBIN

 

 

 

Males

 

 

 

 

0-1 week:

14.5-22.5 g/dL

 

 

 

 

1 week-1 month:

10.0-18.0 g/dL

 

 

 

 

1-6 months:

9.0-14.0 g/dL

 

 

 

 

6 months-2 years:

10.5-13.5 g/dL

 

 

 

 

2-6 years:

11.5-13.5 g/dL

 

 

 

 

6-12 years:

11.5-15.5 g/dL

 

 

 

 

>12 years:

13.8-17.2 g/dL

 

 

 

Females

 

 

 

 

0-1 week:

14.5-22.5 g/dL

 

 

 

 

1 week-1 month:

10.0-18.0 g/dL

 

 

 

 

1-6 months:

9.0-14.0 g/dL

 

 

 

 

6 months-2 years:

10.5-13.5 g/dL

 

 

 

 

2-6 years:

11.5-13.5 g/dL

 

 

 

 

6-12 years:

11.5-15.5 g/dL

 

 

 

 

>12 years:

12.1-15.1 g/dL

 

 

Hgb Critical Values (automatic callback):

 

 

 

 

<12 years:

<7.5 g/dL

 

 

 

 

>12 years:

<6.0 g/dL

 

 

Critical test results will be called initially and every 72 hours thereafter.

 

 

HEMATOCRIT

 

 

 

Males

 

 

 

 

0-1 week:

45.0-66.0%

 

 

 

 

1 week-1 month:

31.0-55.0%

 

 

 

 

1-6 months:

28.0-42.0%

 

 

 

 

6 months-2 years:

33.0-39.0%

 

 

 

 

2-6 years:

34.0-40.0%

 

 

 

 

6-12 years:

35.0-45.0%

 

 

 

 

>12 years:

40.7-50.3%

 

 

 

Females

 

 

 

 

0-1 week:

45.0-66.0%

 

 

 

 

1 week-1 month:

31.0-55.0%

 

 

 

 

1-6 months:

28.0-42.0%

 

 

 

 

6 months-2 years:

33.0-39.0%

 

 

 

 

2-6 years:

34.0-40.0%

 

 

 

 

6-12 years:

35.0-45.0%

 

 

 

 

>12 years:

36.1-44.3%

 

 

PLATELET

 

 

 

140-440 K/cumm

 

 

Critical Value (automatic callback):  <25 K/cumm

 

 

Critical test results will be called initially and every 72 hours thereafter.

 

 

MCV

 

 

 

0-1 week:

88.0-123.0 fL

 

 

 

1 week-1 month:

85.0-123.0 fL

 

 

 

1-6 months:

74.0-115.0 fL

 

 

 

6 months-2 years:

70.0-86. fL

 

 

 

2-6 years:

75.0-87.0 fL

 

 

 

6-12 years:

77.0-95.0 fL

 

 

 

>12 years:

80.0-97.6 fL

 

 

 

For Differential Reference Values see: MORPHOLOGIC EXAMINATION, PEDIATRICS

 

 

 

Day(s) Test Set Up:

 

 

Monday - Sunday

 

Cut-Off Time:

 

 

N/A

 

Turn Around Time:

 

 

Same day

 

CPT Code:

 

 

85025

 

Care Manager Order Name:

 

 

Complete Blood Count/Diff, SLC ONCE RTN

 

Cerner Order Name:

 

 

CBC SLC

 

Last Updated 07/08