Peritonitis K65

The ICD10 code for the diagnosis "Peritonitis" is "K65". K65 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • K65 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM K65 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of K65 - other international versions of ICD-10 K65 may differ.
Code Also:
  • if applicable diverticular disease of intestine (K57.-)
Use Additional:
  • code (B95-B97), to identify infectious agent, if known
Type 1 Excludes:
  • acute appendicitis with generalized peritonitis (K35.2-)
  • aseptic peritonitis (T81.6)
  • benign paroxysmal peritonitis (E85.0)
  • chemical peritonitis (T81.6)
  • gonococcal peritonitis (A54.85)
  • neonatal peritonitis (P78.0-P78.1)
  • pelvic peritonitis, female (N73.3-N73.5)
  • periodic familial peritonitis (E85.0)
  • peritonitis due to talc or other foreign substance (T81.6)
  • peritonitis in chlamydia (A74.81)
  • peritonitis in diphtheria (A36.89)
  • peritonitis in syphilis (late) (A52.74)
  • peritonitis in tuberculosis (A18.31)
  • peritonitis with or following abortion or ectopic or molar pregnancy (O00-O07, O08.0)
  • peritonitis with or following appendicitis (K35.-)
  • puerperal peritonitis (O85)
  • retroperitoneal infections (K68.-)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.