Lab Ref Values Flashcards by Leah McAleer

Q

Hgb: Newborn

A

16-23 g/dL

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Q

Hgb: Kids

A

10-14 g/dL

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Q

Hgb: Adult females

A

12-15 g/dL

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Q

Hgb: Adult males

A

13-17 g/dL

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Q

Microhematocrit: Newborn

A

51-61%

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Q

Microhematocrit: 1yr

A

32-38%

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Q

Microhematocrit: 6yrs

A

34-42%

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Q

Microhematocrit: adult females

A

36-48%

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Q

Microhematocrit: adult males

A

42-52%

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Q

RBC counts: newborn

A

5.0-6.3 million/microL

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Q

RBC counts: adult females

A

4.0-5.5 million rbcs/microL

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Q

RBC counts: adult males

A

4.5-6.0 million rbcs/microL

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Q

WBC counts: newborn

A

9.0-30.0 thousand wbcs/mcL

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Q

WBC counts: 1yr

A

6.0-14.0 thousand wbcs/mcL

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Q

WBC counts: 6yr

A

4.5-12.0 thousand wbcs/mcL

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Q

WBC count: adult

A

4.5-11.0 thousand wbcs/mcL

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Q

Platelet count:

A

1.5-4.0 x 10 to the 5th platelets/mcL

150,000-400,000

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Q

White cell diff count: Segs

1 month:

6 yr:

12yr:

Adult:

Absolute cell counts(cells/mcL):

A

White cell diff count: Segs

1 month: 15-35%

6 yr: 45-50%

12yr: 45-50%

Adult: 50-65%

Absolute cell counts(cells/mcL): 2250-7150

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Q

White cell diff count: bands

1 month:

6 yr:

12yr:

Adult:

Absolute cell counts(cells/mcL):

A

White cell diff count: bands

1 month: 7-13%

6 yr: 0-7%

12yr: 6-8%

Adult: 0-7%

Absolute cell counts(cells/mcL): 0-770

Q

White cell diff count: Eos

1 month:

6 yr:

12yr:

Adult:

Absolute cell counts(cells/mcL):

A

White cell diff count: Eos

1 month: 1-3%

6 yr: 1-3%

12yr: 1-3%

Adult: 1-3%

Absolute cell counts(cells/mcL): 45-330

Q

White cell diff count: Baso

1 month:

6 yr:

12yr:

Adult:

Absolute cell counts(cells/mcL):

A

White cell diff count: Baso

1 month: 0-1%

6 yr: 0-1%

12yr: 0-1%

Adult: 0-1%

Absolute cell counts(cells/mcL): 0-110

Q

White cell diff count: Mono

1 month:

6 yr:

12yr:

Adult:

Absolute cell counts(cells/mcL):

A

White cell diff count: Mono

1 month: 5-8%

6 yr: 4-8%

12yr: 3-8%

Adult: 3-9%

Absolute cell counts(cells/mcL): 135-990

Q

White cell diff count: lymph

1 month:

6 yr:

12yr:

Adult:

Absolute cell counts(cells/mcL):

A

White cell diff count: lymph

1 month: 40-70%

6 yr: 40-45%

12yr: 35-40%

Adult: 25-40%

Absolute cell counts(cells/mcL): 1125-4400

Q

White cell diff CT: platelets

A

An average of 7-20 platelets per OIF

Q

MCV

A

80-98fL

Q

MCH

A

27-32pg

Q

MCHC

A

32-37%

Q

Retic: newborn

A

2.5-6.5%

Q

Retic: adult

A

0.5-1.5%

Q

ESR: Wintrobe method (1hr)

Females
Males

A

Females: 0-20 mm/hr

Males: 0-9 mm/hr

Q

ESR: 1hr Sediplast ESR

Males: <50, >50

A

Males:
<50: 0-15 mm/hr

> 50: 0-20 mm/hr

Q

ESR: 1hr Sediplast ESR

Females: <50, >50

A

Females:
<50: 0-20 mm/hr

> 50: 0-30 mm/hr

Q

ESR: ZSR

Normal:
Borderline:
Elevated:

A

Normal: 40-51%

Borderline: 51-54%

Elevated: greater than equal 55%

Q

MCV calculation

A

HCT x 10/RBC

Q

MCH calculation

A

HGB x 10/RBC

Q

MCH calculation

A

HGB x 100/HCT

Q

Retic % calculation

A

Retics per 1,000 RBCs/10

Q

Retic % Miller disc calculation

A

Retic squareA x 100/RBC squareB x9

Q

Absolute retic count/ARC

A

Retic % x RBC x 1,000/100

Q

Corrected retic count

A

Retic % x HCT/45

Q

RPI: retic production index

A

Corrected retic count/
maturation time correction factor

Q

Rules of three:
HGB…
HCT…

A

RBC x 3 = HGB +- 0.5

HGB x 3 = HCT +- 3%

Q

Manual cell count

A

Cells per mm3=
#cells x DF(10) x recip dilution x recip area

Q

Absolute WBC

A

Total WBC x relative count

Q

Corrected WBC

A

Uncorrected WBCx100/
100+NRBCs per 100 WBCs