Table 5.

Differential diagnosis of liver diseases according to autoantibodies against molecularly defined autoantigens of cytochrome P450

Anti-CYP2D6	Anti-CYP1A2	Anti-CYP2A6	Chronic liver disease
Pos	Neg	Neg	AIH-2 (94%-100%); Hepatitis C (0%-10%)
Neg	Neg	Pos	Hepatitis C; APECED with or without hepatitis
Neg	Pos	Neg	AIH in APECED
			dihydralazine-induced hepatitis
Pos	Neg	Pos	Hepatitis C (0%-7%)
Neg	Pos	Pos	AIH in APECED

Pos: Positive; Neg: Negative; APECED; Autoimmune polyendocrinopathy-candidiasis ectodermal dystrophy syndrome.