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Test Code LAB294 CBC

Important Note

Add ons for differentials can only be performed within 48 hours of the CBC collection.

Clinical System Name

Complete Blood Count Indices

Description

Examination of the numerical complete blood count is useful in diagnosis of such disease states as anemias, leukemias, allergic reactions, viral, bacterial, and parasitic infections.

 

Test includes WBC, RBC, Hgb, Hct, MCV, MCH. MCHC, RDW, Plt, and MPV.

Sample Requirements

Specimen: Whole Blood

Container(s):  Lavender/EDTA

Preferred Vol:  2.0-4.0 mL

Minimum Vol:  0.5 mL in Microtainer; 1.0 mL Macrotainer

 

Notes: A Lavender top/EDTA Macrotainer must contain at least 1.0 mL.

Processing Instructions

Reject due to:  Insufficient Quantity, Wrong Sample Collection, Clotted Sample, Age of specimen

Spin: N

Aliquot: N

Temp: RT

Storage location:  Core 5 Fridge

 

Off-site collection: Store whole blood at room temperature and transport to Children's Lab immediately. Samples > 24 hours old may be rejected.

Stability

Specimen Type Temperature Time
 Whole blood RT

≤ 24 h
 Whole blood 2-8 C

≤ 48 h
  -20 C or -70 C

N

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Hematology

Phone Number: 206-987-2617 (Client Services)

Synonyms

CBC No Diff

LAB294

Availability

STAT Performed TAT
Y 24/7 1 h

Methodology

Method:  Sysmex XN-3000 & XN-1000: RF/DC detection, flow cytometry with semiconductive laser, photometrically, cumulative pulse height detection, hydrodynamic focusing

Analytical Volume:  0.25 mL whole blood

Reference Range

Test

Sex

Age Range

Normal Range 

Unit

WBC

Both

0 - 1 Day

9.0 - 30.0

K/CMM

WBC

Both

1 Day - 1 Week

5.0 - 21.0

K/CMM

WBC

Both

1 Week - 1 Month

5.0 - 19.5

K/CMM

WBC

Both

1 Month - 1 Year

6.0 - 17.5

K/CMM

WBC

Both

1 - 2 Years

5.0 - 15.5

K/CMM

WBC

Both

2 - 4 Years

6.0 - 15.5

K/CMM

WBC

Both

4 - 6 Years

5.0 - 13.5

K/CMM

WBC

Both

6 - 10 Years

4.5 - 13.5

K/CMM

WBC

Both

10 - 14 Years

5.0 - 11.0

K/CMM

WBC

Both

14 Years - Adult

4.5 - 11.0

K/CMM

RBC

Both

0 - 3 Days

4.00 - 6.60

M/CMM

RBC

Both

3 Days - 1 Week

3.90 - 6.30

M/CMM

RBC

Both

1 Week - 2 Weeks

3.60 - 6.20

M/CMM

RBC

Both

2 Weeks - 1 Month

3.00 - 5.40

M/CMM

RBC

Both

1 - 2 Months

2.70 - 4.90

M/CMM

RBC

Both

2 - 6 Months

3.10 - 4.50

M/CMM

RBC

Both

6 Months - 2 Years

3.70 - 5.30

M/CMM

RBC

Both

2 - 6 Years

3.90 - 5.30

M/CMM

RBC

Both

6 - 12 Years

4.00 - 5.20

M/CMM

RBC

Female

12 - 18 Years

4.10 - 5.10

M/CMM

RBC

Female

18 Years - Adults

4.00 - 5.20

M/CMM

RBC

Male

12 - 18 Years

4.50 - 5.30

M/CMM

RBC

Male

18 Years - Adults

4.50 - 5.90

M/CMM

Hemoglobin

Both

0 - 3 Days

14.5 - 22.5

g/dL

Hemoglobin

Both

3 Days - 1 Week

13.5 - 21.5

g/dL

Hemoglobin

Both

1 - 2 Weeks

12.5 - 20.5

g/dL

Hemoglobin

Both

2 Weeks - 1 Month

10.0 - 18.0

g/dL

Hemoglobin

Both

1 - 2 Months

9.0 - 14.0

g/dL

Hemoglobin

Both

2 - 6 Months

9.5 - 13.5

g/dL

Hemoglobin

Both

6 Months - 2 Years

10.5 - 13.5

g/dL

Hemoglobin

 Both 2 Years - 6  Years 11.5 - 13.5

g/dL

Hemoglobin

Both

6 - 12 Years

11.5 - 15.5

g/dL

Hemoglobin

Male

12 - 18 Years

13.0 - 16.0

g/dL

Hemoglobin

Female

12 Years - Adults

12.0 - 16.0

g/dL

Hemoglobin

Male

18 Years - Adults

13.5 - 17.5

g/dL

Hematocrit

Both

0 - 3 Days

45.0 - 67.0

%

Hematocrit

Both

3 Days - 1 Week

42.0 - 66.0

%

Hematocrit

Both

1 - 2 Weeks

39.0 - 63.0

%

Hematocrit

Both

2 Weeks - 1 Month

31.0 - 55.0

%

Hematocrit

Both

1 - 2 Months

28.0 - 42.0

%

Hematocrit

Both

2 - 6 Months

29.0 - 41.0

%

Hematocrit

Both

6 Months - 2 Years

33.0 - 39.0

%

Hematocrit

Both

2 - 6 Years

34.0 - 40.0

%

Hematocrit

Both

6 - 12 Years

35.0 - 45.0

%

Hematocrit

Female

12 Years - Adult

36.0 - 46.0

%

Hematocrit

Male

12 - 18 Years

37.0 - 49.0

%

Hematocrit

Male

18 Years - Adult

41.0 - 53.0

%

MCV

Both

0 - 3 Days

95 - 121

FL

MCV

Both

3 Days - 1 Week

88 - 126

FL

MCV

Both

1 - 2 Weeks

86 - 124

FL

MCV

Both

2 Weeks - 1 Month

85 - 123

FL

MCV

Both

1 - 2 Months

77 - 115

FL

MCV

Both

2 - 6 Months

74 - 108

FL

MCV

Both

6 Months - 2 Years

70 - 86

FL

MCV

Both

2 - 6 Years

75 - 87

FL

MCV

Both

6 - 12 Years

77 - 95

FL

MCV

Both

12 - 18 Years

78 - 98

FL

MCV

Both

18 Years - Adults

80 - 100

FL

MCH

Both

0 - 3 Days

31 - 37

pG

MCH

Both

3 Days - 1 Month

28 - 37

pG

MCH

Both

1 - 2 Months

26 - 34

pG

MCH

Both

2 - 6 Months

25 - 35

pG

MCH

Both

6 Months - 2 Years

23 - 31

pG

MCH

Both

2 - 6 Years

24 - 30

pG

MCH

Both

6 - 12 Years

25 - 33

pG

MCH

Both

12 - 18 Years

25 - 35

pG

MCH

Both

18 Years - Adult

26 - 34

pG

MCHC

Both

0 - 3 Days

29 - 37

g/dL

MCHC

Both

3 Days - 2 Weeks

28 - 37

g/dL

MCHC

Both

2 Weeks - 2 Months

29 - 37

g/dL

MCHC

Both

2 Months - 2 Years

30 - 36

g/dL

MCHC

Both

2 Years - Adult

31 - 37

g/dL

RDW

Both

0 - 1 Week

11.0 - 18.0

%

RDW

Both

1 Week - 2 Months

11.0 - 17.0

%

RDW

Both

2 - 6 Months

11.0 - 16.5

%

RDW

Both

6 Months - 2 Years

11.0 - 16.0

%

RDW

Both

2 - 6 Years

11.0 - 15.0

%

RDW

Both

6 Years - Adult

11.0 - 14.5

%

Platelets

Both

0 - 3 Days

250 - 450

K/CMM

Platelets

Both

3 - 9 Days

200 - 400

K/CMM

Platelets

Both

9 Days - 1 Month

170 - 600

K/CMM

Platelets

Both

1 - 6 Months

190 - 660

K/CMM

Platelets

Both

6 Months - 2 Years

190 - 610

K/CMM

Platelets

Both

2 - 8 Years

160 - 500

K/CMM

Platelets

Both

8 - 12 Years

 155 - 430

K/CMM

Platelets

Both

12 Years - Adult

140 - 400

K/CMM

MPV

Both

0 - 1 Month

9.1 - 12.9

FL

MPV

Both

1 Month - 1 Year

8.9 - 12.4

FL

MPV

Both

1 - 2 Years

8.6 - 12

FL

MPV

Both

2 - 6 Years

8.9 - 13.9

FL

MPV

Both

6 - 11 Years

9.1 - 13.1

FL

MPV

Both

11 Years - Adult

8.9 - 13.1

FL

CPT Codes

85027

Critical Values

White blood cell count (WBC) < 1000/CMM  or  >50,000/CMM
Hemoglobin (g/dL) < 7
Platelets (PLT) < 30,000/CMM  or  >1,000,000/CMM