• urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
  1. N30 Cystitis

    Use additional code to identify infectious agent (B95-B97)


    1. N30.0 Acute cystitis

      1. N30.00 Acute cystitis without hematuria

      2. N30.01 Acute cystitis with hematuria

    2. N30.1 Interstitial cystitis (chronic)

      1. N30.10 Interstitial cystitis (chronic) without hematuria

      2. N30.11 Interstitial cystitis (chronic) with hematuria

    3. N30.2 Other chronic cystitis

      1. N30.20 Other chronic cystitis without hematuria

      2. N30.21 Other chronic cystitis with hematuria

    4. N30.3 Trigonitis

      Inclusion term(s):

      • Urethrotrigonitis
      1. N30.30 Trigonitis without hematuria

      2. N30.31 Trigonitis with hematuria

    5. N30.4 Irradiation cystitis

      1. N30.40 Irradiation cystitis without hematuria

      2. N30.41 Irradiation cystitis with hematuria

    6. N30.8 Other cystitis

      Inclusion term(s):

      • Abscess of bladder
      1. N30.80 Other cystitis without hematuria

      2. N30.81 Other cystitis with hematuria

    7. N30.9 Cystitis, unspecified

      1. N30.90 Cystitis, unspecified without hematuria

      2. N30.91 Cystitis, unspecified with hematuria

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.