Appendix B: Standardized Laboratory Values

Acid phosphatase

    Male

2-12 U/L

16.7

33-200 nkat/L

    Female

0.3-9.2 U/L

16.7

5-154 nkat/L

Activated partial thromboplastin time (aPTT)

25-40 seconds

Adrenocorticotropic hormone (ACTH)

15-80 pg/mL or ng/L

0.2202

3.3-17.6 pmol/L

Alanine aminotransferase (ALT, SGPT)

7-53 U/L

0.01667

0.12-0.88 μkat/L

Albumin

3.5-5.0 g/dL

10

35-50 g/L

Albumin:creatinine ratio (urine)

0.113

    Normal

< 30 mg/g creatinine

< 3.4 mg/mmol creatinine

        Microalbuminuria

30-300 mg/g creatinine

3.4-34 mg/mmol creatinine

        Proteinuria

> 300 mg/g creatinine

> 34 mg/mmol creatinine

    or

or

    Normal

        Male

< 18 mg/g creatinine

0.113

< 2.0 mg/mmol creatinine

        Female

< 25 mg/g creatinine

0.113

< 2.8 mg/mmol creatinine

    Microalbuminuria

        Male

18-180 mg/g creatinine

0.113

2.0-20 mg/mmol creatinine

        Female

25-250 mg/g creatinine

0.113

2.8-28 mg/mmol creatinine

    Proteinuria

        Male

> 180 mg/g creatinine

0.113

> 20 mg/mmol creatinine

        Female

> 250 mg/mmol creatinine

0.113

> 28 mg/mmol creatinine

Alcohol

    See under Ethanol

Aldosterone

    Supine

< 16 ng/dL

27.7

< 444 pmol/L

    Upright

< 31 ng/dL

27.7

< 860 pmol/L

Alkaline phosphatase

    10-15 years

130-550 IU/L

0.01667

2.17-9.17 μkat/L

    16-20 years

70-260 IU/L

0.01667

1.17-4.33 μkat/L

    > 20 years

38-126 IU/L

0.01667

0.63-2.10 μkat/L

α-Fetoprotein (AFP)

< 15 ng/mL

1

< 15 mcg/L

α-1-Antitrypsin

80-200 mg/dL

0.01

0.8-2.0 g/L

Amikacin, therapeutic

    Peak

15-30 mg/L

1.71

25.6-51.3 μmol/L

    Trough

≤ 8 mg/L

1.71

≤ 13.7 μmol/L

Amitriptyline

80-200 ng/mL or mcg/L

3.605

288-721 nmol/L

Ammonia (plasma)

15-56 mcg/dL

0.5872

9-33 pmol/L

Amylase

25-115 U/L

0.01667

0.42-1.92 μkat/L

Androstenedione

50-250 ng/dL

0.0349

1.7-8.7 nmol/L

Angiotensin-converting enzyme

15-70 units/L

16.67

250-1167 nkat/L

Anion gap

7-16 mEq/L

1

7-16 mmol/L

Anti-double-stranded DNA (anti-ds DNA)

Negative

Anti-HAV

Negative

Anti-HBc

Negative

Anti-HBs

Negative

Anti-HCV

Negative

Anti-Sm antibody

Negative

Antinuclear antibody (ANA)

Negative

Apolipoprotein A-1

    Male

95-175 mg/dL

0.01

0.95-1.75 g/L

    Female

100-200 mg/dL

0.01

1.0-2.0 g/L

Apolipoprotein B

    Male

50-110 mg/dL

0.01

0.5-1.10 g/L

    Female

50-105 mg/dL

0.01

0.5-1.05 g/L

Aspartate aminotransferase (AST, SGOT)

11-47 IU/L

0.01667

0.18-0.78 μkat/L

β₂-Microglobulin

< 0.2 mg/dL

10

< 2 mg/L

Bicarbonate

22-26 mEq/L

1

22-26 mmol/L

Bilirubin

    Total

0.3-1.1 mg/dL

17.1

5.1-18.8 μmol/L

    Direct

0-0.3 mg/dL

17.1

0-5.1 μmol/L

    Indirect

0.1-1.0 mg/dL

17.1

1.7-17.1 μmol/L

Bleeding time

3-7 minutes

60

180-420 seconds

Blood gases (arterial)

    pH

7.35-7.45

1

7.35-7.45

    PO₂

80-105 mm Hg

0.133

10.6-14.0 kPa

    PCO₂

35-45 mm Hg

0.133

4.7-6.0 kPa

    HCO₃

22-26 mEq/L

1

22-26 mmol/L

    O₂ saturation

≥ 95%

0.01

≥ 0.95

Blood urea nitrogen (BUN)

8-25 mg/dL

0.357

2.9-8.9 mmol/L

B-type natriuretic peptide (BNP)

0-99 pg/mL

1

0-99 ng/L

0.289

0-29 pmol/L

B-type natriuretic peptide, N-terminal fragment (NT-proBNP)

0-299 pg/mL