Porth's Essentials of Pathophysiology, 4e

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Appendix A

Blood Chemistry*

TABLE A-3

Test

Conventional Units

Conversion Factor

SI Units

0-0.7 μ kat/L †

Alanine aminotransferase (ALT, SGPT, GPT)

0–35 units/L †

0.02

0.7–2.2 μ kat/L †,‡ 11–35 μ mol/L 0.33–1.83 μ kat/L † 0–0.58 μ kat/L † 24–31 mmol/L 2–21 μ mol/L <8 μ mol/L <12 μ mol/L 2.9–7.1 mmol/L 2.1–2.6 mmol/L 98–106 mmol/L 0.53–4.45 μ kat/L † 50–100 μ mol/L ‡ 0.15–1.42 μ kat/L †

Alkaline phosphatase

41–133 units/L †,‡ 18–60 μ g/dL 20–110 units/L † 0–35 units/L † 24–31 mEq/L 0.1–1.2 mg/dL 0.1–0.5 mg/dL 0.1–0.7 mg/dL 8.5–10.5 mg/dL 98–106 mEq/L 32–267 units/L † 0.6–1.2 mg/dL ‡ 9–85 units/L † 8–20 mg/dL

0.02

Ammonia Amylase

0.590

0.02 0.02

Aspartase aminotransferase (AST, SGOT, GOT)

Bicarbonate

1.0

Bilirubin (total)

17.100

Direct

Indirect

Blood urea nitrogen (BUN)

0.360 0.250 1.000 0.017

Calcium (Ca 2+ )

Chloride

Creatine kinase (CK, CPK)

Creatinine (serum)

83.300

Gamma-glutamyl-transpeptidase (GGT)

0.02

Glucose (plasma, fasting)

<100 mg/dL

0.055

<5.6 mmol/L

Glycosylated hemoglobin (HbA 1c ) Lactate dehydrogenase (LDH)

3.9–6.9%

1.46–3.82 μ kat/L †

88–230 units/L †

0.02

Lipids

Cholesterol

<200 mg/dL (optimal)

0.26

<5.2 mmol/L (optimal)

200–239 mg/dL (borderline)

5.2–6.1 mmol/L (borderline)

≥ 240 (high) <130 mg/dL

>6.2 mmol/L (high)

LDL cholesterol HDL cholesterol

0.026 0.026

<3.37 mmol/L 1.04 mmol/L 1.56 mmol/L

<40 low >60 high

Triglycerides

<165 mg/dL 0–160 units/L † 1.3–2.1 mg/dL

0.01 0.02 0.50

<1.8 mmol/L (fasting) 0-2.66 μ kat/L † 0.65–1.05 mmol/L 275–295 mmol/kg H 2 O

Lipase

Magnesium Osmolality pH (arterial)

275–295 mOsm/kg H 2 O

7.35–7.45

Phosphorus (inorganic)

2.5–4.5 mg/dL 3.5–5.0 mEq/L 0–4 ng/mL 6.0–8.0 g/dL 3.4–4.7 g/dL 2.3–3.5 g/dL 5.0–11.0 μ g/dL 0.7–1.86 ng/dL 95–190 ng/dL 0.4–4.2 μ U/mL 1.0–2.2

0.32

0.80–1.45 mmol/L 3.5–5.0 mmol/L

Potassium

1.0 1.0

0–4 μ g/L 60–80 g/L 34–47 g/L 23–35 g/L

Prostate specific antigen (PSA)

Protein total

10.0 10.0 10.0 10.0

Albumin Globulin A/G ratio

10–22

Thyroid tests

Thyroxine (T 4

) total

12.80 12.87 0.015

64–142 nmol/L 9–24 pmol/L † 1.5–2.9 nmol/L 0.4–4.2 mU/L

Thyroxine, free (FT 4 ) Triiodothyronine (T 3

) total

Thyroid-stimulating hormone (TSH)

1.0

3–42 μ g/L

Thyroglobin

3–42 ng/mL

1.0 1.0

Sodium Uric acid

135–145 mEq/L

135–145 mmol/L

Male: 140–440 μ mol/L Female: 88–345 μ mol/L

Male: 2.4–7.4 mg/dL Female: 1.4–5.8 mg/dL

59.48

*Values may vary with laboratory.The values supplied by the laboratory performing the test should always be used since the ranges may be method specific.

† Laboratory and/or method specific. ‡ Varies with age and muscle mass.

Values obtained from Papadakis MA, McPhee SJ. Current Medical Diagnosis andTreatment. 52nd ed. NewYork: McGraw Medical; 2013:1722–1736; Fischbach F, Dunning MB. A Manual of Laboratory and DiagnosticTests. 8th ed. Philadelphia, PA: Wolters Kluwer Health/Lippincott Williams &Wilkins; 2009; and other sources.