Acetylcholinesterase
Convention- 11000-15000 IU/L
SI units 11-15 IU/L
Acid Phosphatase Prostatic(Serum)
0- 3.5 ng/mL
Activated Partial Thromboplastin Time (APTT)
30-45 seconds
INR 0.8 to 1.2
Adrenocorticotropic hormone immunoassay
1 week to 9 years : 5- 46 pg/mL
10-18 years : 6-55pg/mL
Alanine transaminase
Male : 0-35 U/L
Female. : 0-20 U/L
Albumin
Newborn : 2.6–3.6 g/dL
1–3 years : 3.4–4.2 g/dL
4–6 years : 3.5–5.2 g/dL
7–9 years : 3.7–5.6 g/dL
10–18 years : 3.7–5.6 g/dL
Aldolase
10 m–24 months : 3.4–11.8 U/L
2 years–7 years : 1.2–8.8 U/L
8 years- 18 years : 1.7–4.9 U/L
Aldosterone
6–9 years : 1–24 ng/dL
10–11 years : 2–15 ng/dL
12–14 years : 1–22 ng/dL
15–17 years : 1–32 ng/dL
Convention- 11000-15000 IU/L
SI units 11-15 IU/L
Acid Phosphatase Prostatic(Serum)
0- 3.5 ng/mL
Activated Partial Thromboplastin Time (APTT)
30-45 seconds
INR 0.8 to 1.2
Adrenocorticotropic hormone immunoassay
1 week to 9 years : 5- 46 pg/mL
10-18 years : 6-55pg/mL
Alanine transaminase
Male : 0-35 U/L
Female. : 0-20 U/L
Albumin
Newborn : 2.6–3.6 g/dL
1–3 years : 3.4–4.2 g/dL
4–6 years : 3.5–5.2 g/dL
7–9 years : 3.7–5.6 g/dL
10–18 years : 3.7–5.6 g/dL
Aldolase
10 m–24 months : 3.4–11.8 U/L
2 years–7 years : 1.2–8.8 U/L
8 years- 18 years : 1.7–4.9 U/L
Aldosterone
6–9 years : 1–24 ng/dL
10–11 years : 2–15 ng/dL
12–14 years : 1–22 ng/dL
15–17 years : 1–32 ng/dL
Alkaline phosphatase
Age Males Females
Newborns (1–3 days) 95–368 95–368
2–24 months 115– 460 115–460
2–5 years 115–391 115–391
6–7 years 115-460 115–460
8–9 years 115– 345 115–345
10–11 years 115– 336 115–437
12–13 years 127– 403 92–336
14–15 years 79– 446 78–212
16–18 years 58– 331 35–124
Alpha 1 antitrypsin
Newborn : 143–440 mg/dL
1–3 years : 147–244 mg/dL
4–9 years : 160–245 mg/dL
10–13 years : 166–267 mg/dL
14–19 years : 152–317 mg/dL
Ammonia
Newborn : 50 mmol/L
Thereafter : 0–35 mmol/L
Amylase
53-123 U/L
Antinuclear antibody
(Negative) <1 : 40 Titer
Anti thyroglobulin antibody
1.0 IU/mL
Aspartate Aminotransferase(SGOT)
0-40 U/L
Base Excess
Newborn : –10 to –2 mmol/L
Infant : –7 to –1 mmol/L
Child : –4 to +2 mmol/L
Age Males Females
Newborns (1–3 days) 95–368 95–368
2–24 months 115– 460 115–460
2–5 years 115–391 115–391
6–7 years 115-460 115–460
8–9 years 115– 345 115–345
10–11 years 115– 336 115–437
12–13 years 127– 403 92–336
14–15 years 79– 446 78–212
16–18 years 58– 331 35–124
Alpha 1 antitrypsin
Newborn : 143–440 mg/dL
1–3 years : 147–244 mg/dL
4–9 years : 160–245 mg/dL
10–13 years : 166–267 mg/dL
14–19 years : 152–317 mg/dL
Ammonia
Newborn : 50 mmol/L
Thereafter : 0–35 mmol/L
Amylase
53-123 U/L
Antinuclear antibody
(Negative) <1 : 40 Titer
Anti thyroglobulin antibody
1.0 IU/mL
Aspartate Aminotransferase(SGOT)
0-40 U/L
Base Excess
Newborn : –10 to –2 mmol/L
Infant : –7 to –1 mmol/L
Child : –4 to +2 mmol/L
Bicarbonate levels
Newborns : 17.2 –23.6 mmol/L
2 m to 2 years : 19.0 –24 mmol/L
> 12 years : 18.0 –25 mmol/L
Bilirubin(Conjugated)
< 1 week : 0-10 μmol/L
> 1 Week : 0-0.6 mg/dL
Bilirubin (total)
1.7-180 μmol/L OR 1.0-10.5 mg/dL
Bleeding Time
2–9 min.
Blood urea nitrogen
8-23 mg/dL
Blood Volume
<1 year : 86 mL/kg (range, 69–112 mL/kg)
>1 year : 70 mL/kg (range, 51–86 mL/kg)
C reactive Protein
< 1 mg /dL
Calcitonin
Male : <13.8 pg/ml
Female : 6.4 pg/ ml
Calcium
4.4–5.3 mEq/L (2.2–2.7 mmol/L)
Carbon dioxide(Partial Pressure)
32–48 mmHg (4.3–6.4 kPa)
Carboxyhemoglobin
>2% of total Hb
Cholesterol (Total)
1–3 years : 44–181 mg/dL (1.15–4.70 mmol/L)
4–6 years : 108–187 mg/dL (2.80–4.80 mmol/L)
7–9 years : 112–247 mg/dL (2.90–6.40 mmol/L)
10–13 years7 : 125–244 mg/dL (3.25–6.30 mmol/L)
14–19 years : 106–224 mg/dL (2.75–5.80 mmol/L)
Cholesterol- High Density Lipoprotein (HDL)
1–9 years : 35–82 mg/dL (0.91–2.12 mmol/L)
10–13 years : 36–84 mg/dL (0.93–2.17 mmol/L)
14–19 years : 35–65 mg/dL (0.91–1.68 mmol/L)
Cholesterol- Low Density Lipoprotein (LDL)
5–9 years : 63–140 mg/dL (1.63–3.63 mmol/L)
10–14 years : 64–136 mg/dL (1.66–3.52 mmol/L)
15–19 years : 59–137 mg/dL (1.53–3.55 mmol/L)
Complement
C3 : 96–195 mg/dL
C4 : 15–20 mg/dL
Copper
70 - 155 µg/dL OR 11 - 24.4 µmol/L
C-Peptide
0.8 - 4.0 ng/mL OR 0.26 - 1.32 nmol/L
Creatine (Urine)
18–58 mg/L (1.37–4.42 mmol/L)
Creatine Kinase
Newborns (1–3 days) : 40–474 IU/L
Children : 30–210 IU/L
Creatinine clearance
Male
<12 yr : 50-90 mL/minute
>12 yr : 97-137 mL/minute
Female
< 12 y r: 50-90 mL/minute
> 12 yr : 88-128 mL/minute
1–3 years : 44–181 mg/dL (1.15–4.70 mmol/L)
4–6 years : 108–187 mg/dL (2.80–4.80 mmol/L)
7–9 years : 112–247 mg/dL (2.90–6.40 mmol/L)
10–13 years7 : 125–244 mg/dL (3.25–6.30 mmol/L)
14–19 years : 106–224 mg/dL (2.75–5.80 mmol/L)
Cholesterol- High Density Lipoprotein (HDL)
1–9 years : 35–82 mg/dL (0.91–2.12 mmol/L)
10–13 years : 36–84 mg/dL (0.93–2.17 mmol/L)
14–19 years : 35–65 mg/dL (0.91–1.68 mmol/L)
Cholesterol- Low Density Lipoprotein (LDL)
5–9 years : 63–140 mg/dL (1.63–3.63 mmol/L)
10–14 years : 64–136 mg/dL (1.66–3.52 mmol/L)
15–19 years : 59–137 mg/dL (1.53–3.55 mmol/L)
Complement
C3 : 96–195 mg/dL
C4 : 15–20 mg/dL
Copper
70 - 155 µg/dL OR 11 - 24.4 µmol/L
C-Peptide
0.8 - 4.0 ng/mL OR 0.26 - 1.32 nmol/L
Creatine (Urine)
18–58 mg/L (1.37–4.42 mmol/L)
Creatine Kinase
Newborns (1–3 days) : 40–474 IU/L
Children : 30–210 IU/L
Creatinine clearance
Male
<12 yr : 50-90 mL/minute
>12 yr : 97-137 mL/minute
Female
< 12 y r: 50-90 mL/minute
> 12 yr : 88-128 mL/minute
D- Dimer
< 230 ng/ml
11 Deoxycortisol
< 0.8 µg/dL
Erythrocyte sedimentation rate(ESR)
0-15 mm/h
Erythropoietin
4.3 to 29.0 IU/L
Ferritin
20-200 μg/L
Fibrinogen
200 - 400 mg/dL
Folic acid
RBC : > 95 ng/mL
Serum : > 1.9 ng/mL
Fructosamine
1.6 - 2.6 mmol/L
Gastrin
< 200 pg/mL (nonfasting)
< 100 pg/mL (fasting)
Globulin
1.5-3.5 g/dL
Glucagon
50 - 200 pg/mL
Glucose (fasting)
< 110 mg/dL OR < 6.1 mmol/L
Glucose 6 phosphate dehydrogenase
150–215 units/dL
Gamma Glutamyl Transferase(GGT)
Male : 8-61 U/L (< 65 U/L)
Female : 5-36 U/L (< 45 U/L)
< 230 ng/ml
11 Deoxycortisol
< 0.8 µg/dL
Erythrocyte sedimentation rate(ESR)
0-15 mm/h
Erythropoietin
4.3 to 29.0 IU/L
Ferritin
20-200 μg/L
Fibrinogen
200 - 400 mg/dL
Folic acid
RBC : > 95 ng/mL
Serum : > 1.9 ng/mL
Fructosamine
1.6 - 2.6 mmol/L
Gastrin
< 200 pg/mL (nonfasting)
< 100 pg/mL (fasting)
Globulin
1.5-3.5 g/dL
Glucagon
50 - 200 pg/mL
Glucose (fasting)
< 110 mg/dL OR < 6.1 mmol/L
Glucose 6 phosphate dehydrogenase
150–215 units/dL
Gamma Glutamyl Transferase(GGT)
Male : 8-61 U/L (< 65 U/L)
Female : 5-36 U/L (< 45 U/L)
Growth Hormone
2.2 – 13.3 years (Tanner 1) : 0.4–6.3 ng/24 hr (0.9–12.3 ng/g creatinine)
10.3–14.6 years (Tanner 2) : 0.8–12.0 ng/24 hr (1.0–14.1 ng/g creatinine)
11.5–15.3 years (Tanner 3) : 1.7–20.4 ng/24 hr (1.9–17.0 ng/g creatinine)
12.7–17.1 years (Tanner 4) : 1.5–18.2 ng/24 hr (1.3–14.4 ng/g creatinine)
13.5–19.9 years (Tanner 5) : 1.2–14.5 ng/24 hr (0.8–11.0 ng/g creatinine)
Haptoglobin
43 - 212 mg/dL
Hematocrit
Male : 41 - 50 %
Female : 35 - 46%
Hemoglobin
At birth : 50%–85% of total hemoglobin
At 1 year : 15% of total hemoglobin
1yr- 2 years : 5% of total hemoglobin
> 2 years : 2% of total hemoglobin
Hemoglobin A1c
Normal: 4–7% of total hemoglobin
Diabetic patients in good control 8–10% of their condition
High Density Lipoprotein(HDL)
> 0.91 mmol/L
> 35 mg/dL
Homocysteine
6.1 - 15.0 µmol/L
Homovanillic Acid
Children : 3–16 g/mg of creatinine
Human Chorionic Gonadotropin(hcG)
Male : < 2 IU/L
Premenopausal : < 5 IU/L
Immunoglobulin A (IgA)
80 - 350 mg/dL
Immunoglobulin D (IgD)
0–8 mg/dL
Immunoglobulin E (IgE)
0.002 - 0.2 mg/dL
Immunoglobulin G (IgG)
AGE IgG(Range) mg/dL
Cord (Term baby) 636 to 1606
1 month 251 to 906
2 month 206 to 601
3 month 176 to 581
4 month 196 to 558
5 month 172 to 814
6 month 215 to 704
7-9month 217 to 904
10- 12 month   294 to 1069
1 year 345 to 1213
2 year 424 to 1051
3 years 441 to 1135
4-5 years 463 to 1236
6-8 years 633 to 1280
9- 10 years 608 to 1572
> 10 years 639 to 1349
Immunoglobulin M (IgM)
45 - 250 mg/dL
Insulin
5 - 25 µU/mL
Iron
Newborns : 20–157 g/dL (3.6–28.1 mol/L)
14–16 years : 20–181 g/dL (3.6–32.4 mol/L)
Iron binding capacity
Newborns : 59–175 g/dL (10.6–31.3 mol/L)
Children : 275–458 g/dL (45–72 mol/L)
80 - 350 mg/dL
Immunoglobulin D (IgD)
0–8 mg/dL
Immunoglobulin E (IgE)
0.002 - 0.2 mg/dL
Immunoglobulin G (IgG)
AGE IgG(Range) mg/dL
Cord (Term baby) 636 to 1606
1 month 251 to 906
2 month 206 to 601
3 month 176 to 581
4 month 196 to 558
5 month 172 to 814
6 month 215 to 704
7-9month 217 to 904
10- 12 month   294 to 1069
1 year 345 to 1213
2 year 424 to 1051
3 years 441 to 1135
4-5 years 463 to 1236
6-8 years 633 to 1280
9- 10 years 608 to 1572
> 10 years 639 to 1349
Immunoglobulin M (IgM)
45 - 250 mg/dL
Insulin
5 - 25 µU/mL
Iron
Newborns : 20–157 g/dL (3.6–28.1 mol/L)
14–16 years : 20–181 g/dL (3.6–32.4 mol/L)
Iron binding capacity
Newborns : 59–175 g/dL (10.6–31.3 mol/L)
Children : 275–458 g/dL (45–72 mol/L)
Lactate Dehydrogenase(LDH)
60-170 IU/L
Lactic acid
< 2.0 mmol/L
Lead
0–15 years 10 g/dL (0.48 mol/L)
Lipase
10-150 U/L
Low Density Lipoprotein(LDL)
< 3.4 mmol/L OR < 130 mg/dL
Magnesium
1.8-3.6 mg/dL OR 1.5-3.0 mEq/L
Mercury
< 1 µg/dL OR < 50 nmol/L
Myelin basic protein(cSF)
< 4 ng/ mL
Myoglobin
< 55 ng/mL
Osmolality
285-295 mmol/kg OR 285-295 mOsm/kg
Parathyroid hormone(PTH)
10-65 ng/L
Phosphorus
4-6.5 mg/dL OR 2.3-3.8 mEq/L
Platelet count
150,000 - 450,000/µL
Potassium
Children : 3.5–5.8 mmol/L
60-170 IU/L
Lactic acid
< 2.0 mmol/L
Lead
0–15 years 10 g/dL (0.48 mol/L)
Lipase
10-150 U/L
Low Density Lipoprotein(LDL)
< 3.4 mmol/L OR < 130 mg/dL
Magnesium
1.8-3.6 mg/dL OR 1.5-3.0 mEq/L
Mercury
< 1 µg/dL OR < 50 nmol/L
Myelin basic protein(cSF)
< 4 ng/ mL
Myoglobin
< 55 ng/mL
Osmolality
285-295 mmol/kg OR 285-295 mOsm/kg
Parathyroid hormone(PTH)
10-65 ng/L
Phosphorus
4-6.5 mg/dL OR 2.3-3.8 mEq/L
Platelet count
150,000 - 450,000/µL
Potassium
Children : 3.5–5.8 mmol/L
Realbumin
18 - 45 mg/dL
Prolactin
Males - 1 to 20 μg/L
Females- 1 to 25 μg/L
Prostate Specific Antigen(PSA)
0-4.0 µg/L
Protein(total)
6.0 - 8.5 g/dL
Protein C activity
70 - 140% of nml
Protein S activity
Male: 70 - 150% of nml
Female: 58 - 130% of nml
Prothrombin time(PT)
10-20 seconds
International Normalised Ratio (INR) 0.8-1.2
Pyruvate
0.3 - 0.9 mg/dL
RBC count
4.5-5.1 x 1012 /L
Renin activity
0.5-2.1 (pmol/ml/hr) Recumbent
0.8 - 3.5 (pmol/ml/hr) Ambulatory
Reticulocyte count
1 - 3 Days : 77 - 283 K/mm3
4 - 30 Days : 14 - 159 K/mm3
31 - 60 Days : 28 - 201 K/mm3
Beyond 2 months : 12 - 130 K/mm3
18 - 45 mg/dL
Prolactin
Males - 1 to 20 μg/L
Females- 1 to 25 μg/L
Prostate Specific Antigen(PSA)
0-4.0 µg/L
Protein(total)
6.0 - 8.5 g/dL
Protein C activity
70 - 140% of nml
Protein S activity
Male: 70 - 150% of nml
Female: 58 - 130% of nml
Prothrombin time(PT)
10-20 seconds
International Normalised Ratio (INR) 0.8-1.2
Pyruvate
0.3 - 0.9 mg/dL
RBC count
4.5-5.1 x 1012 /L
Renin activity
0.5-2.1 (pmol/ml/hr) Recumbent
0.8 - 3.5 (pmol/ml/hr) Ambulatory
Reticulocyte count
1 - 3 Days : 77 - 283 K/mm3
4 - 30 Days : 14 - 159 K/mm3
31 - 60 Days : 28 - 201 K/mm3
Beyond 2 months : 12 - 130 K/mm3
Rheumatoid factor
< 40 IU/mL
Serotonin
46 - 319 ng/mL
Sodium
135–148 mmol/L
Somatomedin C
Male : 90 - 318 ng/mL
Female : 116 - 270 ng/mL
Specific gravity
1.003 - 1.030
Triiodothyronine(T3)
1.1- 2.9 mmol/L OR 70- 190 ng/ dL
Thrombin time
Children: 12–16 sec
Thyroglobulin
</= 60 ng/mL
Thyroid Stimulating Hormone(TSH)
< 1 Day 1 - 39 mIU/L
1- 14 Days 1 to 17 mIU/L
2 weeks to 20 weeks 1.7 to 9.1 mIU/L
21 weeks to 18 years 0.7 to 6.4 mIU/L
Thyroxine(T4)
66-155 nmol/L
5-12 μg/dL
Thyroxine, free (FT4)
13-27 pmol/L OR 1.0-2.1 ng/dL
Testosterone
9.5-30 nmol/L OR 275-875 ng/dL
< 40 IU/mL
Serotonin
46 - 319 ng/mL
Sodium
135–148 mmol/L
Somatomedin C
Male : 90 - 318 ng/mL
Female : 116 - 270 ng/mL
Specific gravity
1.003 - 1.030
Triiodothyronine(T3)
1.1- 2.9 mmol/L OR 70- 190 ng/ dL
Thrombin time
Children: 12–16 sec
Thyroglobulin
</= 60 ng/mL
Thyroid Stimulating Hormone(TSH)
< 1 Day 1 - 39 mIU/L
1- 14 Days 1 to 17 mIU/L
2 weeks to 20 weeks 1.7 to 9.1 mIU/L
21 weeks to 18 years 0.7 to 6.4 mIU/L
Thyroxine(T4)
66-155 nmol/L
5-12 μg/dL
Thyroxine, free (FT4)
13-27 pmol/L OR 1.0-2.1 ng/dL
Testosterone
9.5-30 nmol/L OR 275-875 ng/dL
Thyroxine binding globulin
Electrophoresis : 10 - 24 mg/dL
Radioimmunoassay : 1.3 - 2.0 mg/dL
Total Iron Binding Capacity
< 12 months : 100 to 400 μg/dL
> 12 months : 250- 425 μg/dL
Transferrin
200 - 360 mg/dL
Triglycerides
40-200 mg/dL
Urea Nitrogen in Blood (BUN)
1–13 years : 7–17 mg/dL (2.5–6.0 mmol/L)
14–18 years : 8–21 mg/dL (2.9–7.5 mmol/L)
Uric acid
3–8 mg/dL (178–476 mol/L)
Vanillylmandelic Acid(VMA)
1–12 months : 1–35 g/mg of creatinine (31–135 mg/kg/24 hr)
1–2 years : 1–30 g/mg of creatinine
2–5 years : 1–15 g/mg of creatinine
5–10 years : 1–14 g/mg of creatinine
10–15 years : 1–10 g/mg of creatinine (1– 7 mg/24 hr; 5–35 mmol/24hr)
Vitamin A
30 - 95 µg/dL
Vitamin B6
5 - 24 ng/mL
Vitamin B12
200 - 800 pg/mL
Vitamin C
0.2 - 2.0 mg/dL
Electrophoresis : 10 - 24 mg/dL
Radioimmunoassay : 1.3 - 2.0 mg/dL
Total Iron Binding Capacity
< 12 months : 100 to 400 μg/dL
> 12 months : 250- 425 μg/dL
Transferrin
200 - 360 mg/dL
Triglycerides
40-200 mg/dL
Urea Nitrogen in Blood (BUN)
1–13 years : 7–17 mg/dL (2.5–6.0 mmol/L)
14–18 years : 8–21 mg/dL (2.9–7.5 mmol/L)
Uric acid
3–8 mg/dL (178–476 mol/L)
Vanillylmandelic Acid(VMA)
1–12 months : 1–35 g/mg of creatinine (31–135 mg/kg/24 hr)
1–2 years : 1–30 g/mg of creatinine
2–5 years : 1–15 g/mg of creatinine
5–10 years : 1–14 g/mg of creatinine
10–15 years : 1–10 g/mg of creatinine (1– 7 mg/24 hr; 5–35 mmol/24hr)
Vitamin A
30 - 95 µg/dL
Vitamin B6
5 - 24 ng/mL
Vitamin B12
200 - 800 pg/mL
Vitamin C
0.2 - 2.0 mg/dL
Vitamin D (1,25-Dihydroxy-vitamin D)
24 - 65 pg/mL
Vitamin E
5 - 20 µg/mL
WBC count
3.8 - 10.8 x 103/µL
Zinc
60 - 130 µg/dL
CEREBROSPINAL FLUID (CSF)
Protein
Newborns : 40–120 mg/dL
1 month : 20–80 mg/dL
1 month : 15–45 mg/dL
Glucose
All ages: 60%–80% of blood glucose
Chloride
102–112 mmol/L OR 98-106 mEq/L
SWEAT
Normal : 40 mmol/L (Sodium and chloride).
Cystic fibrosis : 60 mmol/L (Sodium and chloride)
URINE
17 Hydroxycorticosteroid
0–2 years : 2–4 mg/24 hr (5.5–11 mmol)
2–6 years : 3–6 mg/24 hr (8.3–16.6 mmol)
6–10 years : 6–8 mg/24 hr (16.6–22.1 mmol)
10–14 years : 8–10 mg/24 hr (22.1–27.6 mmol)
Creatinine
Newborns : 7–10 mg/kg/24 hr
Children : 20–30 mg/kg/24
Schilling test
>7% of administered oral dose of radiolabeled B12 in 24 hour urine.
24 - 65 pg/mL
Vitamin E
5 - 20 µg/mL
WBC count
3.8 - 10.8 x 103/µL
Zinc
60 - 130 µg/dL
CEREBROSPINAL FLUID (CSF)
Protein
Newborns : 40–120 mg/dL
1 month : 20–80 mg/dL
1 month : 15–45 mg/dL
Glucose
All ages: 60%–80% of blood glucose
Chloride
102–112 mmol/L OR 98-106 mEq/L
SWEAT
Normal : 40 mmol/L (Sodium and chloride).
Cystic fibrosis : 60 mmol/L (Sodium and chloride)
URINE
17 Hydroxycorticosteroid
0–2 years : 2–4 mg/24 hr (5.5–11 mmol)
2–6 years : 3–6 mg/24 hr (8.3–16.6 mmol)
6–10 years : 6–8 mg/24 hr (16.6–22.1 mmol)
10–14 years : 8–10 mg/24 hr (22.1–27.6 mmol)
Creatinine
Newborns : 7–10 mg/kg/24 hr
Children : 20–30 mg/kg/24
Schilling test
>7% of administered oral dose of radiolabeled B12 in 24 hour urine.
Disclaimer
The normal ranges in each laboratory depend on the local population, test methodology and conditions of assay and a variety of additional circumstances.
The normal ranges above are typical, but the normal ranges established for each laboratory should be used.