Reference Ranges (UPDATE!)

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41 Terms

1
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sodium

136-145 mmol/L

2
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potassium

3.5-5.1 mmol/L

3
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chloride

98-107 mmol/L

4
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total CO2

22-33 mmol/L

5
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creatinine

0.8-1.2 mg/dL (71-106 umol/L)

6
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blood urea nitrogen (BUN)

6-20 mg/dL (2.1-7.1 mmol/L)

7
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glucose (fasting)

74-100 mg/dL (4.1-5.6 mmol/L)

8
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Hgb A1c

< 5.7% (<39 mmol/mol)

9
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haptoglobin

30-200 mg/dL (0.3-2.0 g/L)

10
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arterial blood gas

  • pH

  • pCO2

  • pO2

  • O2 sat

  • HCO3 (bicarbonate)

pH — 7.35-7.45

pCO2 — 35-44 mmHg (4.7-5.9 kPa)

pO2 — >80 mmHg (>10.6 kPa)

O2 saturation > 95%

HCO3- — 23-29 mmol/L

11
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RBC ct

4.00 - 6.00 ×10^6 / uL (“ “ x10^12/L)

12
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Hgb

12.0-18.0 g/dL (120-180 g/L)

13
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Hct

35-50% (0.35 - 0.50 L/L)

14
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rule of thirds

RBC*3 = Hgb

Hgb*3 = Hct

15
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MCV

76-100 fL

16
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MCH

26-34 pg

17
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MCHC

32-36 g/dL (320-360 g/L)

18
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RDW

11.5-14.5% (0.115-0.145)

19
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retic (absolute)

20-115×10³ / uL (““ x10^9 /L)

20
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retic (relative)

0.5-2.5% (0.005-0.025)

21
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nRBCs

0 nRBC/100 wbc

22
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WBC (total)

3.6-10.6 ×10³ /uL (x10^9/L)

23
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neutrophils abs/rel

1.7-7.5×10³

50-70%

24
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lymphocytes abs/rel

1.0 - 3.2×10³/uL

18-42%

25
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monocytes abs/rel

0.1 - 1.3×10³/uL

2-11%

26
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eosinophils abs/rel

0 - 0.3 ×10³/uL

1-3%b

27
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basophils abs/rel

0 - 0.2 ×10³/uL

0-2%

28
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CSF

  • WBC & RBC

  • glucose

  • protein

  • wbc/rbc: 0 - 5/uL

  • glc: 50-80 mg/dL

  • protein: 15-45 mg/dL

29
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seminal fluid

  • liquefaction

  • wbc

  • volume

  • pH

  • motility

  • sperm conc

  • morphology

  • liquefaction: 30-60 min

  • wbc: <1×10^6/mL

  • volume: 2-5 mL

  • pH: 7.2-8.0

  • motility: >50% w/in 1 hr

  • sperm conc: >20×10^6/mL

  • morphology >30% normal forms

30
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urine specific gravity

1.003 - 1.035

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urine pH

4.5-8.0

32
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urine protein

< 10 mg/dL, trace, or neg

33
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urine negative values

protein, bilirubin, blood, glc, nitrite, leukocyte esterase, ketones

34
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urine glucose

<=15 mg/dL or neg

35
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urine urobilinogen

< 1.0 EU (<17.0 umol/L)

36
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urine ketones

< 5 mg/dL or neg

37
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urine microscopic

rbc: 0-3/HPF

wbc: 0-8/HPF

casts: 0-2 hyaline/LPF

epithelial cells: 0-5/HPF

38
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normal and dx for diabetes mellitus

  • fasting blood glc

  • OGTT (measured 2 hr after drink glucola)

  • 2hr post prandial (meas 2 hr after eating)

  • random

  • A1c

normal // DM

  • fasting < 100 // 126 or higher

  • OGTT < 140 // 200 or higher

  • 2hr post prandial = same as OGTT

  • random 200 or higher + symptoms

  • A1c < 5.7% // 6.5% or higher

39
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cholesterol normal vs risk for coronary artery dz (CAD)

40
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PT / INR ref

9.4 - 12.5s

0.8 - 1.2

41
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PTT ref

25-35 s