1. K66 Other disorders of peritoneum

    Excludes2

    • ascites (R18.-)
    • peritoneal effusion (chronic) (R18.8)
    1. K66.0 Peritoneal adhesions (postprocedural) (postinfection)

      Inclusion term(s):

      • Adhesions (of) abdominal (wall)
      • Adhesions (of) diaphragm
      • Adhesions (of) intestine
      • Adhesions (of) male pelvis
      • Adhesions (of) omentum
      • Adhesions (of) stomach
      • Adhesive bands
      • Mesenteric adhesions
    2. K66.1 Hemoperitoneum

    3. K66.8 Other specified disorders of peritoneum

    4. K66.9 Disorder of peritoneum, unspecified

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.