certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Diseases of peritoneum and retroperitoneum (K65-K68)
if applicable diverticular disease of intestine (K57.-)
Use additional
code (B95-B97), to identify infectious agent, if known
Excludes 1:
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.-)
Disorders of peritoneum in infectious diseases classified elsewhere
Code first
underlying disease, such as: congenital syphilis (A50.0) helminthiasis (B65.0 -B83.9)
Excludes 1:
peritonitis in chlamydia (A74.81) peritonitis in diphtheria (A36.89) peritonitis in gonococcal (A54.85) peritonitis in syphilis (late) (A52.74) peritonitis in tuberculosis (A18.31)