N30.2 Other chronic cystitisNon-billable header with 2 child codes.
N39.0 Urinary tract infection, site not specified ("cystitis (N30.-)")N30.00 Acute cystitis without hematuriaN30.01 Acute cystitis with hematuriaN30.1 Interstitial cystitis (chronic)N30.10 Interstitial cystitis (chronic) without hematuriaN30.11 Interstitial cystitis (chronic) with hematuriaN30.2 Other chronic cystitis (this code)N30.20 Other chronic cystitis without hematuriaN30.21 Other chronic cystitis with hematuriaN30.3 TrigonitisN30.30 Trigonitis without hematuriaN30.31 Trigonitis with hematuria