label: Abnormal urinary pyrimidine level
label_lc: abnormal urinary pyrimidine level
description: "Any deviation from the normal amount of a pyrimidine compound in the urine. Pyrimidines and pyrimidine derivatives are compounds containing a pyrimidne ring, which is a six-member aromatic heterocycle which consists of two nitrogen atoms (at positions 1 and 3) and four carbon atoms. The nucleotides cytosine, thymine and uracil are pyrimidines."