Biochemistry Reference Ranges
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| TEST | SEX/AGE | REFERENCE RANGE | UNITS | COMMENTS |
| AFP | 0-16 | ug/L | ||
| Albumin | 0-14 days | 28-41 | g/L | |
| >14 days - 1 yr | 28-45 | g/L | ||
| >1-8 yrs | 35-45 | g/L | ||
| >8-15 yrs | 37-47 | g/L | ||
| >15 yrs | 32-48 | g/L | ||
| ALP | 0-1 yr | 60-500 | U/L | |
| 1-10 yrs | 80-360 | U/L | ||
| 11-16 yrs (male) | 90-450 | U/L | ||
| 11-16 yrs (female) | 80-400 | U/L | ||
| >16-18 yrs (male) | 60-300 | U/L | ||
| >18 yrs | 30-150 | U/L | ||
| ALT | male | 0-40 | U/L | |
| female | 0-30 | U/L | ||
| Ammonia | 0-30 days | <50 | umol/L | |
| >30 days - Adult | 11-32 | umol/L | ||
| AST | <1 month | 20-200 | U/L | |
| 1 month-2 yrs | 20-80 | U/L | ||
| >2-5 yrs | 15-60 | U/L | ||
| >5 yrs | 10-50 | U/L | ||
| bHCG | non-pregnant adult | <5 | IU/L | |
| B12 | 130-650 | pmol/L | ||
| grey-zone | 130-250 | pmol/L | ||
| Bicarbonate (HCO3) | 22-32 | mmol/L | ||
| Bilirubin (Direct/Conjugated) | 0-5 | umol/L | ||
| Bilirubin (Total) | <24 hrs (cord blood) | <50 | umol/L | |
| 24 hrs (day after birth) | <100 | umol/L | ||
| 48 hrs (2 days after birth) | <140 | umol/L | ||
| 3 days | <200 | umol/L | ||
| 4-14 days | <170 | umol/L | ||
| 2-6 weeks | 3-23 | umol/L | ||
| >6 weeks | 2-20 | umol/L | ||
| BNP (NT-proBNP) | 0-50 yrs | <52 | pmol/L | |
| >50-75 yrs | <105 | pmol/L | ||
| >75 yrs | <211 | pmol/L | ||
| CA 125 | 0-35 | kIU/L | ||
| CA 153 | <30 | kIU/L | ||
| CA 199 | <37 | kIU/L | ||
| Calcium | 2.2-2.6 | mmol/L | ||
| CEA | 0-5 | ug/L | ||
| Chloride | 95-110 | mmol/L | ||
| CK | male | 60-220 | U/L | |
| female | 30-180 | U/L | ||
| Cortisol | random | 170-540 | nmol/L | 0800 diurnal peak |
| Short Synacthen Test | >400 (normal) | nmol/L | 30min post | |
| Dexamethasone Suppression Test | <50 (excludes Cushing's) | nmol/L | 0800 post dose at 2400hrs | |
| Dexamethasone Suppression Test | <50 (excludes Cushing's) | nmol/L | 0800 post dose at 2400hrs | |
| Creatinine | <30 days | 20-60 | umol/L | |
| >1 month - 2 yrs | 20-50 | umol/L | ||
| >2-4 yrs | 20-60 | umol/L | ||
| >4-6 yrs | 25-65 | umol/L | ||
| >6-10 yrs | 25-70 | umol/L | ||
| >10-15 yrs | 40-80 | umol/L | ||
| >15 yrs (male) | 50-110 | umol/L | ||
| >15 yrs (female) | 45-90 | umol/L | ||
| CRP | <5 | mg/L | ||
| eGFR | 80-120 | mL/min/1.73m2 | GFR declines by 1mL/min/year over age 40 years | |
| Ferritin | <15 yrs | 15-150 | ug/L | |
| >15-30 yrs (male) | 20-350 | ug/L | ||
| >15-50 yrs (female) | 20-200 | ug/L | ||
| >30 yrs (male) | 20-500 | ug/L | ||
| >50 yrs (female) | 20-350 | ug/L | ||
| Folate | >8 | nmol/L | ||
| FSH | <10 yrs | 0-6.5 | IU/L | |
| >10-15 yrs | 0-6.5 (pre-pubertal) | IU/L | levels rise during puberty towards adult range | |
| >15 yrs (female) | ||||
| Follicular | 3-10 | IU/L | ||
| Mid-Cycle | 4-25 | IU/L | ||
| Luteal | 2-8 | IU/L | ||
| Post-Menopausal | >20 | IU/L | ||
| Antenatal | <1 | IU/L | ||
| Male | 2-12 | IU/L | ||
| GGT | <6 months | <150 | U/L | |
| >6-12 months | <50 | U/L | ||
| >1-12 yrs | <30 | U/L | ||
| >12 yrs (male) | 10-50 | U/L | ||
| >12 yrs (female) | 10-35 | U/L | ||
| Glucose | Random | 3.5-7.7 | mmol/L | |
| Fasting | 3.5-6.0 | mmol/L | ||
| Polycose test | <7.8 | mmol/L | 1hr post | |
| HbA1c | Non-diabetic | 20-40 | mmol/mol | |
| Pre-diabetes | 41-49 | mmol/mol | ||
| Diabetes | >49 | mmol/mol | ||
| IgA | <1 yr | 0.0-0.3 | g/L | |
| 1-<3 yrs | 0.0-0.9 | g/L | ||
| 3-<6 yrs | 0.3-1.5 | g/L | ||
| 6-<14 yrs | 0.5-2.2 | g/L | ||
| 14-<19 yrs | 0.5-2.9 | g/L | ||
| Adult | 0.4-2.3 | g/L | ||
| IgG | <15 days | 3.2-14.0 | g/L | |
| 15 days - <1 yr | 2.0-7.0 | g/L | ||
| 1-<4 yrs | 3.2-11.5 | g/L | ||
| 4-<10 yrs | 5.4-13.6 | g/L | ||
| 10-<19 yrs | 6.6-15.3 | g/L | ||
| Adult | 7.0-16.0 | g/L | ||
| IgM | <15 days | 0.1-0.4 | g/L | |
| 15 days - <13 wks | 0.1-0.7 | g/L | ||
| 1-<4 yrs | 3.2-11.5 | g/L | ||
| 13 wks - <1 yr | 0.2-0.9 | g/L | ||
| 1-<19 yrs | 0.4-1.9 | g/L | ||
| Adult | 0.4-2.3 | g/L | ||
| Iron | <2 months | 10-31 | umol/L | |
| 2 months - 1 yr | 4-27 | umol/L | ||
| >1-10 yrs | 5-23 | umol/L | ||
| >10-18 yrs | 8-32 | umol/L | ||
| >18 yrs | 10-30 | umol/L | ||
| LDH | <14 days | 310-1220 | IU/L | |
| >14 days - 1 yr | 190-450 | IU/L | ||
| >1-10 yrs | 190-320 | IU/L | ||
| >10-15 yrs | 160-280 | IU/L | ||
| >15-18 yrs | 130-250 | IU/L | ||
| >18 yrs | 110-220 | IU/L | ||
| LH | <10 yrs | 0-2.5 | IU/L | |
| >10-15 yrs | 0-2.5 | IU/L | levels rise during puberty towards adult range | |
| >15 (female) | ||||
| Follicular | 2-8 | IU/L | ||
| Mid-Cycle | 10-75 | IU/L | ||
| Luteal | 2-8 | IU/L | ||
| Post-Menopausal | >15 | IU/L | ||
| Antenatal | <1 | IU/L | ||
| Male | 2-9 | IU/L |