All ICD10 Codes
K67Billable

Disorders of peritoneum in infectious diseases classified elsewhere

Diseases of the Digestive System·Diseases of peritoneum and retroperitoneum (K65-K68)·category·FY 2026

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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)
Code First
  • underlying disease, such as:
  • congenital syphilis (A50.0)
  • helminthiasis (B65.0 -B83.9)

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K65-K68Diseases of peritoneum and retroperitoneum (K65-K68)
K67Disorders of peritoneum in infectious diseases classified elsewhereBillable

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 371
Major Gastrointestinal Disorders and Peritoneal Infections with MCC
DRG 372
Major Gastrointestinal Disorders and Peritoneal Infections with CC
DRG 373
Major Gastrointestinal Disorders and Peritoneal Infections without CC/MCC
DRG 791
Prematurity with Major Problems
DRG 793
Full Term Neonate with Major Problems