Table 1.

Liver function tests and definitions of abnormal

Liver Function test	Range	Normal (Age & Gender)	Moderately abnormal	Severely abnormal
Bilirubin (μmol/l)	0–1000	<18 M <16 F	18 – 42.5 M 16 – 37.5 F	>42.5 M >37.5 F
Albumin (g/l)	11–60	>35	30–35	<30
Alk Phos (IU/l)	20–2000	120–455 M 16–19	455–1138	>1138
		45 – 195 M 19–26	195–488	>488
		30 – 105 M 26–55	105–263	>263
		45 – 130 M 56–75	130–325	>325
		65 – 150 M 75+	150–375	>375
		120–420 F 16–19	420–1050	>1050
		25 – 90 F 19–26	90–225	>225
		20 – 80 F 26–55	80–200	>200
		40 – 150 F 56–75	150–375	>375
		50 – 190 F 75+	190–475	>475
GGT (IU/l)	5–2000	7 – 42 All 16–24	42–105	>105
		9 – 70 M 24–34	70–175	>175
		11– 75 M 34–44	75–188	>188
		11 – 82 M 44–55	82–205	>205
		11 – 70 M 55+	70–175	>175
		5 – 35 F 24–34	35–88	>88
		5 – 42 F 34–44	42–105	>105
		5 – 65 F 44–55	65–163	>163
		5 – 75 F 55+	75–188	>188
ALT (IU/l)	12–9999 depending on age and sex	14 – 40 M 16–18	40–100	>100
		15 – 55 M 18–55	55–138	>138
		12 – 35 F 16–18	35–88	>88
		12 – 40 F 18–55	40–100	>100
		13 – 43 All 55–75	43–108	>108
		6 – 30 All 75+	30–75	>75
AST (IU/l)		3 – 30 M 17–65	30 – 75	>75
		10 – 45 F 16–75	45 – 113	>113
		10 – 30 75+	30 – 75	>75