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

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


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

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)


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)
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

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
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

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
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.

 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.