Special notes from Hematology

 

Fine Needle Aspirations

     Call Hematology at 2870 to schedule.  Staff is available Mon-Fri 0800-1500 to prepare slides during procedure.  Call again when physician is ready for assistance.

 

Bone Marrow Aspirations and Biopsy

     Order test in computer, BONEMARR and schedule with Hematology at 2870.  Specify any special orders such as genetics, cultures, or flow cytometry.  Call again when physician arrives.

 

REFERENCE RANGES                                                     Blood Counts

AGE

WBC

RBC

HGB

HCT

MCV

MCH

MCHC

RDW

PLT

k/cumm

m/cumm

gm/dL

%

fl

pg

gm/dL

%

k/cumm

0-7 days

3.9-6.0

13.5-21.5

42-60

88-120

8-14 days

3.6-6.0

12.5-20.5

39-60

86-120

15-30 days

3.0-5.5

10-18

31-55

85-110

0-1 month

5-20

30-39

13.7-19

1-6 months

5-20

11-16

33-47

75-95

1-12 months

24-32

11.2-16.8

6mo – 2 yrs

5-18

11-14

33-41

70-84

2-5 yrs

5-15

11-14

34-42

73-85

5 – 8 yrs

5-15

11.5-14.5

35-43

75-87

1-12 years

25-31

11-15.6

8-12 yrs

5-13

12-15

36-44

76-90

12 and older

27-33

11-15.6

12-15 Female

5-13

12-15

36-46

78-92

12-15 Male

5-13

12.5-15.5

37-49

77-91

15-18 Female

5-10

12-16

36-46

79-95

15-18 Male

5-10

13-17

38-54

78-94

> 18 Female

5-10

12-16

37-47

80-100

> 18 Male

5-10

14-18

40-54

80-100

all ages, sexes

4.00-6.00

32-37

150-400

 

WBC Differentials

AGE

BAND

SEGS

Manual diff

GRAN

Auto  diff

LYMPH

MONO

EOS

BASO

ABS

 GRAN

ABS

 LYMP

ABS MONO

ABS

 EOS

ABS

 BASO

0-3 yrs

20-60

20-65

40-70

3-10

1-5

1.0-10.0

2.0-12.

0.1-1.0

3-5 yrs

25-55

25-60

40-60

3-7

1-4

1.0-9.0

2.0-10.

0.1-0.8

over 5

50-70

50-75

20-30

4-6

2-4

2.0-9.0

1.0-4.0

0.1-0.5

all ages

0-10

0-1.0

0.1-1.0

0-0.2

 

 

 

Coagulation Normal Reference Ranges

 

Test

Units

15 Days-

4 Weeks

1-5 Months

6-11 Months

1-5 Yrs

6-10 Yrs

11-17 Yrs

Adult

PT

Seconds

9.5-12.6

9.7-12.8

9.8-13.0

9.9-13.4

10-14.6

10-14.1

10.2-13.0

APTT

Seconds

28-46

25-41

25-41

24-39

27-39

25-38

24-36

Fib

mg/dl

136-300

141-437

148-367

164-497

171-537

168-529

200-400

Factor II

% Act

45-74

47-111

74-117

49-130

68-132

48-119

84-132

Factor VII

% Act

55-108

43-141

55-128

48-124

55-135

55-133

67-171

Factor VIII

% Act

65-153

50-187

53-132

59-167

61-154

43-155

63-177

Factor IX

% Act

30-77

29-105

51-107

53-129

55-156

60-138

79-155

Protein C

% Act

27-48

23-95

47-151

59-148

46-154

72-155

82-154

Protein S

% Free Ag

61-108

48-127

63-139

53-135

62-142

61-131

73-137

Antithrombin

% Act

33-63

29-120

63-122

61-128

64-136

69-136

78-128

vWF Antigen

% Ag

46-220

36-217

48-199

41-186

45-141

56-123

44-218

vWF Activity

% Act

74-189

41-191

43-176

44-156

41-129

54-137

44-156

D-Dimer

Normal Ref

Range

ng/ml FEU

445-1200

90-878

133-844

88-780

60-567

69-580

<500

FDA approved D-Dimer cut-off value for ruling out DVT and PE = <500 ng/ml FEU

 

 

Adult reference ranges developed at Wesley Medical Center

Pediatric reference range data taken is from the following source:

“Age dependency for coagulation parameters in paediatric populations:  Results of a multicenter study aimed at defining the age-specific reference ranges”.

 Thromb Haemost. 2016 Jul 4;116 (1):9-16.  Toulon P1, Berruyer M, Brionne-François M, Grand F, Lasne D, Telion C, Arcizet J, Giacomello R, De Pooter N.