Biochemistry Reference Ranges

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
	>1-8 yrs	35-45
	>8-15 yrs	37-47
	>15 yrs	32-48
ALP	0-1 yr	60-500	U/L
	1-10 yrs	80-360
	11-16 yrs (male)	90-450
	11-16 yrs (female)	80-400
	>16-18 yrs (male)	60-300
	>18 yrs	30-150
ALT	male	0-40	U/L
	female	0-30
Ammonia	0-30 days	<50	umol/L
	>30 days - Adult	11-32
AST	<1 month	20-200	U/L
	1 month-2 yrs	20-80
	>2-5 yrs	15-60
	>5 yrs	10-50
bHCG	non-pregnant adult	<5	IU/L
B12		130-650	pmol/L
	grey-zone	130-250
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
	48 hrs (2 days after birth)	<140
	3 days	<200
	4-14 days	<170
	2-6 weeks	3-23
	>6 weeks	2-20
BNP (NT-proBNP)	0-50 yrs	<52	pmol/L
	>50-75 yrs	<105
	>75 yrs	<211
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
	>15-50 yrs (female)	20-200
	>30 yrs (male)	20-500
	>50 yrs (female)	20-350