lab value ranges

clinical lab medicine

sodium

137-145 mEq/L

potassium

3.5-5.3 mEq/L

chloride

98-107 mEq/L

carbon dioxide (HCO3)

22-30 mEq/mL

BUN

7-17 mg/dL

SCr

0.52-1.04 mg/dL

glucose

65-105 mg/dL

creatinine clearance

90-140 mL/min

GFR

>60 mL/min/1.73 m²

calcium

8.4-10.2 mg/dL

phosphorus

2.5-4.5 mg/dL

magnesium

1.6-2.4 mg/dL

albumin

3.5-4.8 g/dL

alanine aminotransferase (ALT/SGPT)

9-52 units/L

aspartate aminotransferase (AST/SGOT)

14-36 units/L

bilirubin (direct)

0-0.3 mg/dL

bilirubin (total)

0.2-1.3 mg/dL

HDL cholesterol

>40 mg/dL

LDL cholesterol

<130 mg/dL

triglycerides

<150 mg/dL

hemoglobin (Hgb) female

12-16 g/dL

hemoglobin male

14-18 g/dL

white blood cells

4800-11000 cells/uL

4.8-11 × 10³ cells/uL

platelets

140000-440000 cells/uL

140-440 × 10³ cells/uL

pH (ABG)

7.34-7.44

p_aO₂

75-100 mmHg

p_aCO₂

35-45 mmHg

HCO₃ (ABG)

22-26 mEq/L

normal INR

0.9-1.2

INR for pt on warfarin

2.0-3.0 or 2.5-3.5

digoxin in pt with HF

0.5-0.9 mcg/L

digoxin in patient with AFib

adjust to goal HR and keep <2.0

phenytoin

10-20 mg/L

theophylline

5-15 mg/L

vancomycin AUC/MIC

>400-600 mg x hr/L

vancomycin trough level

10-20 mcg/mL

anion gap

AG = Na - (Cl + HCO3)

corrected sodium

serum Na + 0.016(serum glucose - 100)

corrected calcium

0.8(4 - serum albumin) + serum Ca

absolute neutrophil count

WBC x [(%segs + %bands)/100]

cortisone potency

25

hydrocortisone potency

20

prednisone and prednisolone potency

5

methylprednisolone and triamcinolone potency

4

dexamethasone potency

0.75

betamethasone potency

0.6

ethacrynic acid potency

50

furosemide PO potency

40

furosemide IV potency

20

torsemide PO potency

20

torsemide IV potency

20

bumetanide PO potency

1

bumetanide IV potency

1