inborn errors purine-pyrimidine metabolism UMLS_CUI:C0029595 SNOMEDCT_2010_1_31:190922005 SNOMEDCT_2010_1_31:190917005 MSH:D011686 ICD9CM_2010:277.2 SNOMEDCT_2010_1_31:191109006 URI: http://www.ebi.ac.uk/cellline#inborn_errors_purine-pyrimidine_metabolism SNOMEDCT_2010_1_31:267450006 inborn errors of metabolism