Table 1.

Diagnostic criteria of Wilson disease in recruits.

Diagnostic criteria	Wilson disease	Non-Wilson disease
Phenotype (≥1)
Hepatic	+	+
Neurologic	+	+
Other	+	+
Clinical feature
KF rings (slit lamp examination)	±	−
Laboratory values
Serum caeruloplasmin	<0.2 g/L	≥0.2 g/L
Urinary copper	>2×ULN	≤2×ULN (normal)
Urinary copper, post penicillamine (if done)	>5×ULN	≤5×ULN (normal)
Liver biopsy (if done)	+	−

KF: Kayser-Fleischer, ULN: upper limit of normal