Department of Laboratory Medicine
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CBC and differential

Lab Section: 

Hematology

 

Lab Location: 

Main Lab

Test ID: 

LAB293

 

Synonyms: 

CBC with diff • CBC • Complete blood cell count

Methodology: 

Automated cell counter and flow cell differential

Schedule: 

Sun-Sat

Reported: 

1 hour for STAT orders; 2 hours for Routine orders

Specimen Requirements: 

Collection: 3.0 mL Blood in a Lavender Top Tube.
Pediatric volume: 0.5 mL.
Unacceptable conditions: Clotted, QNS or frozen specimens; only acceptable anticoagulant EDTA (lavender top).
Stability: Preferred specimen within 4 hours of collection; acceptable
<24 hours

 

   Notes: 

Reflex Criteria: If lab specific criteria are met, will reflex to either a scan or manual differential.

Physicians requesting a manual differential on a specimen that does not meet manual differential criteria must discuss with the Hematology Laboratory Resident for approval.

 

 

 

 

 

 

 

 

 

 

 

 

Test Name

Reference Interval

 

WBC [LRR1577876]

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

6-22 x1000/uL

1 Week up to 2 Months

Any

4-16 x1000/uL

2 Months up to 12 Months

Any

4-18 x1000/uL

12 Months up to 6 Years

Any

4-15 x1000/uL

6 Years up to 12 Years

Any

 

4-15 x1000/uL

12 Years up to 18 Years

Any

4-13 x1000/uL

18 Years up to 999 Years

Any

4-10 x1000/uL

 

 

 

 

RBC

[LRR1577212]

 

 

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

3.7

—

6.8 M/uL

1 Week up to 2 Months

Any

3.6

—

6.0 M/uL

2 Months up to 12 Months

Any

3.6

—

5.7 M/uL

12 Months up to 6 Years

Any

3.6

—

5.7 M/uL

6 Years up to 12 Years

Any

3.6

—

5.6 M/uL

12 Years up to 18 Years

Any

3.6

—

5.8 M/uL

18 Years up to 999 Years

Any

3.8

—

5.9 M/uL

 

 

 

RDW [LRR1534437]

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

11.5-14.5%

1 Week up to 2 Months

Any

11.5-14.5%

2 Months up to 12 Months

Any

11.5-14.5%

12 Months up to 6 Years

Any

11.5-14.5%

6 Years up to 12 Years

Any

11.5-14.5%

12 Years up to 18 Years

Any

11.5-14.5%

18 Years up to 999 Years

Any

11.5-14.5%

 

Hemoglobin [LRR1534435]

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

13

—

23 g/dL

1 Week up to 2 Months

Any

13

—

20 g/dL

2 Months up to 12 Months

Any

12

—

15 g/dL

12 Months up to 6 Years

Any

12

—

15 g/dL

6 Years up to 12 Years

Any

12

—

15 g/dL

12 Years up to 18 Years

Any

12

—

15 g/dL

18 Years up to 999 Years

Any

12

—

18 g/dL

 

Hematocrit [LRR1534436]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

39

—

70 %

1 Week up to 2 Months

Any

37

—

60 %

2 Months up to 12 Months

Any

37

—

45 %

12 Months up to 6 Years

Any

37

—

43 %

6 Years up to 12 Years

Any

37

—

45 %

12 Years up to  18 Years

Any

37

—

48 %

18 Years up to 999 Years

Any

37

—

52 %

MCV [LRR1576934]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

96-113 fL

1 Week up to 2 Months

Any

85-109 fL

2 Months up to 12 Months

Any

78-93 fL

12 Months up to 6 Years

Any

78-95 fL

6 Years up to 12 Years

Any

78-94 fL

12 Years up to 18 Years

Any

78ญญญญญ-ญญญญ98 fL

18 Years up to 999 Years

Any

78-94 fL

MCH [LRR1576930]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

32-38 pg

1 Week up to 2 Months

Any

29-38 pg

2 Months up to 12 Months

Any

23-32 pg

12 Months up to 6 Years

Any

23-31 pg

6 Years up to 12 Years

Any

23-31pg

12 Years up to 18 Years

Any

23-33pg

18 Years up to 999 Years

Any

27-31pg

MCHC [LRR1576932]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

31-36 g/dL

1 Week up to 2 Months

Any

31-36 g/dL

2 Months up to 12 Months

Any

31-36 g/dL

12 Months up to 6 Years

Any

31-36 g/dL

6 Years up to 12 Years

Any

31-36 g/dL

12 Years up to 18 Years

Any

31-36 g/dL

18 Years up to 999 Years

Any

31-36 g/dL

Platelets

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

150-425 x1000/uL

1 Week up to 2 Months

Any

140-465 x1000/uL

2 Months up to 12 Months

Any

140-465 x1000/uL

12 Months up to 6 Years

Any

150-465 x1000/uL

6 Years up to 12 Years

Any

140-465 x1000/uL

12 Years up to 18 Years

Any

140-465 x1000/uL

18 Years up to 999 Years

Any

140-440 x1000/uL

MPV

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

6-11 fL

1 Week up to 2 Months

Any

6-11 fL

2 Months up to 12 Months

Any

6-11 fL

12 Months up to 6 Years

Any

6-11 fL

6 Years up to 12 Years

Any

6-11 fL

12 Years up to 18 Years

Any

6-11 fL

18 Years up to 999 Years

Any

6-11 fL

 

Neutrophils [LRR11286]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

19-56%

1 Week up to 2 Months

Any

4-33%

2 Months up to 12 Months

Any

7-57%

12 Months up to 6 Years

Any

12-67%

6 Years up to 12 Years

Any

26-77%

12 Years up to 18 Years

Any

32-79%

18 Years up to 999 Years

Any

37-84%

Lymphocytes [LRR11287]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

24-58%

1 Week up to 2 Months

Any

44-87%

2 Months up to 12 Months

Any

31-82%

12 Months up to 6 Years

Any

22-75%

6 Years up to 12 Years

Any

12-60%

12 Years up to 18 Years

Any

13-52%

18 Years up to 999 Years

Any

8-49%

 

Monocytes [LRR17898]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

9-22%

1 Week up to 2 Months

Any

1-18%

2 Months up to 12 Months

Any

1-17%

12 Months up to 6 Years

Any

2-16%

6 Years up to 12 Years

Any

3-14%

12 Years up to 18 Years

Any

4-14%

18 Years up to 999 Years

Any

4-15%

Eosinophils [LRR11289]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0-8%

1 Week up to 2 Months

Any

0-10%

2 Months up to 12 Months

Any

0-9%

12 Months up to 6 Years

Any

0-8%

6 Years up to 12 Years

Any

0-10%

12 Years up to 18 Years

Any

0-8%

18 Years up to 999 Years

Any

0-7%

 

Basophil [LRR19235]

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0-4%

1 Week up to 2 Months

Any

0-4%

2 Months up to 12 Months

Any

0-4%

12 Months up to 6 Years

Any

0-4%

6 Years up to 12 Years

Any

0-4%

12 Years up to 18 Years

Any

0-4%

18 Years up to 999 Years

Any

0-4%

Immature Granulocytes

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0-3%

1 Week up to 2 Months

Any

0-3%

2 Months up to 12 Months

Any

0-3%

12 Months up to 6 Years

Any

0-3%

6 Years up to 12 Years

Any

0-3%

12 Years up to 18 Years

Any

0-3%

18 Years up to 999 Years

Any

0-3%

ANC (Absolute Neutrophil Count) [LRR11264]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

2-10 x1000/uL

1 Week up to 2 Months

Any

1-5 x1000/uL

2 Months up to 12 Months

Any

1-7 x1000/uL

12 Months up to 6 Years

Any

1-8 x1000/uL

6 Years up to 12 Years

Any

1-10 x1000/uL

12 Years up to 18 Years

Any

1-10 x1000/uL

18 Years up to 999 Years

Any

1-11 x1000/uL

Lymphocyte Absolute [LRR11265]

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

2-10 x1000/uL

1 Week up to 2 Months

Any

3-10 x1000/uL

2 Months up to 12 Months

Any

2-14 x1000/uL

12 Months up to 6 Years

Any

2-10 x1000/uL

6 Years up to 12 Years

Any

1-5 x1000/uL

12 Years up to 18 Years

Any

1-4 x1000/uL

18 Years up to 999 Years

Any

1-4 x1000/uL

Monocyte Absolute Count [LRR17903]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

1-5x1000/uL

1 Week up to 2 Months

Any

0-3x1000/uL

2 Months up to 12 Months

Any

0-3x1000/uL

12 Months up to 6 Years

Any

0-2x1000/uL

6 Years up to 12 Years

Any

0-2x1000/uL

12 Years up to 18 Years

Any

0-2x1000/uL

18 Years up to 999 Years

Any

0-2x1000/uL

 

Eosinophil Absolute Count [LRR17904]

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0-2 /uL

1 Week up to 2 Months

Any

0-2/uL

2 Months up to 12 Months

Any

0-2/uL

12 Months up to 6 Years

Any

0-1/uL

6 Years up to 12 Years

Any

0-2/uL

12 Years up to 18 Years

Any

0-1/uL

18 Years - 999 Years

Any

0-1/uL

Basophil Absolute Count

[LRR17905]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0x1000 uL

1 Week up to 2 Months

Any

0x1000 uL

2 Months up to 12 Months

Any

0x1000uL

12 Months up to 6 Years

Any

0x1000 uL

6 Years up to 12 Years

Any

0x1000 uL

12 Years up to 18 Years

Any

0x1000 uL

18 Years up to 999 Years

Any

0x1000 uL

Absolute Immature Granulocyte Count

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0-0.3x1000/uL

1 Week up to 2 Months

Any

0-0.3x1000/uL

2 Months up to 12 Months

Any

0-0.3x1000/uL

12 Months up to 6 Years

Any

0-0.3x1000/uL

6 Years up to 12 Years

Any

0-0.3x1000/uL

12 Years up to 18 Years

Any

0-0.3x1000/uL

18 Years up to 999 Years

Any

0-0.3x1000/uL

NRBC

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0-1%

1 Week up to 2 Months

Any

0-1%

2 Months up to 12 Months

Any

0-1%

12 Months up to 6 Years

Any

0-1%

6 Years up to 12 Years

Any

0-1%

12 Years up to 18 Years

Any

0-1%

18 Years up to 999 Years

Any

0-1%

Absolute NRBC

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

0x 1000/uL

1 Week up to 2 Months

Any

0x 1000/uL

2 Months up to 12 Months

Any

0x 1000/uL

12 Months up to 6 Years

Any

0x 1000/uL

6 Years up to 12 Years

Any

0x 1000/uL

12 Years up to 18 Years

Any

0x 1000/uL

18 Years up to 999 Years

Any

0x 1000/uL

Bands [LRR11261]

 

Age Limit

Sex

Normal Range

0 Days –up to 999 Years

Any

0

—

10 %

Metamyelocytes [LRR17906]

Age Limit

Sex

Normal Range

0 Days – up to 999 Years

Any

0

—

1 %

Myelocytes [LRR17930]

Age Limit

Sex

Normal Range

0 Days –up to 999 Years

Any

0

—

0 %

Promyelocytes [LRR17907]

Age Limit

Sex

Normal Range

0 Days – up to 999 Years

Any

0

—

0 %

Smudge Cells [LRR11253]

Age Limit

Sex

Normal Range

0 Days – up to 999 Years

Any

None

Immature Lymphocytes [LRR11269]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

Atypical Lymphocytes

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

0-7%

Plasma Cells [LRR17935]

Age Limit

Sex

Normal Range

0 Days up to 999  Days

Any

None

 

 

 

 

 

 

 

 

 

 

 

Abnormal Lymphocytes [LRR17931]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

 

Immature Monocytes [LRR11270]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

Blasts [LRR17909]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

Hypersegmented Neutrophils [LRR19691]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

RBC Agglutination [LRR19273]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

Pappenheimer Bodies [LRR19270]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

Rouleaux [LRR17925]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

Bacteria [LRR19275]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Any

None

 

 

 

 

 

 

 

 

 

 

 

Howell-Jolly Bodies

 [LRR19269]

 

Hypochromia

 [LRR19258]

 

Tear Drop Cells

 [LRR19265]

 

Polychromasia [LRR19257]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Pseudo Pelget Huet [LRR19692]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Spherocytes [LRR19263]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

Yeast [LRR19276]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Acanthocytes [LRR19267]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Parasites [LRR19272]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Stomatocytes [LRR19266]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

 

 

Vacuolated Granulocytes [LRR19274]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Auer Rods [LRR17919]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Schistocytes [LRR19261]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Dohle Bodies [LRR17920]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Echinocytosis [LRR19268]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Toxic Granulation [LRR17921]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Basophilic Stippling [LRR19271]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

Ovalocytes [LRR19264]

Age Limit

Sex

Normal Range

0 Days up to  999 Years

Any

None

 

 

This test is also performed at these locations: NHMC | Pedi Trumbull | SCCC Derby | SCCC Fairfield |SCCC North Haven | SCCC Old Saybrook | SCCC Orange | SCCC Torrington |SCCC Trumbull | SCCC Waterbury | Shoreline Medical Center | Smilow | SRC

       CPT code(s): 85007, 85025

      Changed: 9/21/2017 12:28 PM

       Reviewed: 9/21/2017 12:28 PM