icd,description n10,acute tubulo-interstitial nephritis n12,"tubulo-interstitial nephritis, not specified as acute or chronic" n13.6,pyonephrosis n15.1,renal and perinephric abscess n15.9,"renal tubulo-interstitial disease, unspecified" n30.0,acute cystitis n30.8,other cystitis n30.9,"cystitis, unspecified" n39.0,"urinary tract infection, site not specified"