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K65.9 - Peritonitis, unspecified


The ICD 10 Code for Peritonitis, unspecified is listed as K65.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K65.9
Description: Peritonitis, unspecified
  • Bacterial peritonitis NOS
Diagnostic Related Groups
(MS-DRG v30.0)
371 - Major Gastrointestinal Disorders & Peritoneal Infections W Mcc
372 - Major Gastrointestinal Disorders & Peritoneal Infections W Cc
373 - Major Gastrointestinal Disorders & Peritoneal Infections W/o Cc/mcc
793 - Full Term Neonate W Major Problems
Chapter Diseases of the digestive system (K00-K95)
Block Diseases of peritoneum and retroperitoneum (K65-K68)
Parent K65 - Peritonitis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 567.9 - Unspecified peritonitis
ICD-10-CM Siblings (same level / similar specificity) of K65.9:
K65.0 - Generalized (acute) peritonitis
K65.1 - Peritoneal abscess
K65.2 - Spontaneous bacterial peritonitis
K65.3 - Choleperitonitis
K65.4 - Sclerosing mesenteritis
K65.8 - Other peritonitis