Unspecified appendicitis (K37)

Clinical Information for Unspecified appendicitis (K37)

Appendicitis - Acute inflammation of the APPENDIX. Acute appendicitis is classified as simple, gangrenous, or perforated.

Typhlitis - Necrotizing inflammation of the CECUM ("typhlon" in Greek), sometimes spreading to the APPENDIX and/or the ILEUM. Symptoms include ABDOMINAL PAIN and DIARRHEA. Its pathogenesis is multifactorial. Typhlitis is often associated with NEUTROPENIA and chemotherapy in immunocompromised individuals (IMMUNOCOMPROMISED HOST).

Appendix - A worm-like blind tube extension from the CECUM.

Instructional Notations

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • unspecified appendicitis with peritonitis K35.2 K35.3