<unk>  is a rare condition (autosomal recessive), resulting in increased excretion of oxalate (up to 600 mg a day from normal 50 mg a day), with oxalate stones being common.
Primary hyperoxaluria
Hawkinsinuria
Cystinuria
Alkaptonuria
Alpha-aminoadipic and alpha-ketoadipic aciduria
Trimethylaminuria
Aspartylglucosaminuria
Homocystinuria