Normal Pediatric Laboratory ValuesNormal Pediatric Laboratory ValuesNormal Pediatric Laboratory Values
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APPENDIX B
Selected Normal Pediatric Laboratory Values
All laboratory values listed are approximate. Consult your local laboratory for guidelines as to normal values for the
specific testing procedures used.
NORMAL VALUES: BLOOD
Albumin (S)1
Newborn:
1–3 years:
4–6 years:
7–9 years:
10–19 years:

Ammonia (P)1
2.6–3.6 g/dL
3.4–4.2 g/dL
3.5–5.2 g/dL
3.7–5.6 g/dL
3.7–5.6 g/dL

Newborns:
Thereafter:

Base Excess (B)1
Newborn:
Infant:
Child:
Thereafter:

Aldolase (S)1
10–24 months:
2–7 years:
Adults:

3.4–11.8 U/L
1.2–8.8 U/L
1.7–4.9 U/L

Calculated from pH and PaCO2
Newborns:
17.2–23.6 mmol/L
2 months–2 years:
19–24 mmol/L
Children:
18–25 mmol/L
Adult males:
20.1–28.9 mmol/L
Adult females:
18.4–28.8 mmol/L

1–24 ng/dL
2–15 ng/dL
1–22 ng/dL
1–32 ng/dL

Alkaline Phosphatase (S)2

Bilirubin, Conjugated (S)1

Values in IU/L at 37°C (98.6°F) using p-nitrophenol phosphate buffered
with AMP (kinetic).
Age
Newborns (1–3 days)
2–24 months
2–5 years
6–7 years
8–9 years
10–11 years
12–13 years
14–15