K65.8
BillableOther peritonitis
Other peritonitis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Chronic proliferative peritonitis
- Peritonitis due to urine
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •acute appendicitis with generalized peritonitisK35.2
- •aseptic peritonitisT81.6
- •benign paroxysmal peritonitisE85.0
- •chemical peritonitisT81.6
- •gonococcal peritonitisA54.85
- •neonatal peritonitisP78.0-P78.1
- •pelvic peritonitis, femaleN73.3-N73.5
- •periodic familial peritonitisE85.0
- •peritonitis due to talc or other foreign substanceT81.6
- •peritonitis in chlamydiaA74.81
- •peritonitis in diphtheriaA36.89
- •peritonitis in syphilis (late)A52.74
- •peritonitis in tuberculosisA18.31
- •peritonitis with or following abortion or ectopic or molar pregnancy,O00-O07, O08.0
- •peritonitis with or following appendicitisK35
- •puerperal peritonitisO85
- •retroperitoneal infectionsK68
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
Related Codes(6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(110)
SNOMED CT
- Mesenteric saponification13771001
- Sclerosing peritonitis24383005
- Acute caecitis25552000
- Acute cecitis25552000
- Acute caecitis with perforation AND peritonitis39642007
- Acute cecitis with perforation AND peritonitis39642007
- Peritonitis due to urine43633008
- Urinary peritonitis43633008
- Urine peritonitis43633008
- Uroperitonitis43633008
- Chronic proliferative peritonitis45365002
- Caecitis61564002
- Cecitis61564002
- Typhlitis61564002
- Granulomatous peritonitis80654001
- Chronic peritonitis87510000
- Fat necrosis of peritoneum111368002
- Peritoneal fat necrosis111368002
- Polyserositis123598000
- Mesenteric fat saponification197185008
- Perforation of caecum235798009
- Perforation of cecum235798009
- Faecal peritonitis235985005
- Fecal peritonitis235985005
- Fungal peritonitis235986006
- Parasitic peritonitis235987002
- Mesenteric fat necrosis236008004
- Long-term disorder of dialysis236542001
- Polyserositis syndrome of dialysis236550005
- Injury of caecum262864009
- Injury of cecum262864009
- Peritoneal dialysis-associated peritonitis276883000
- Peritonitis secondary to peritoneal dialysis276883000
- Serositis370469003
- Perihepatitis386041004
- Infection of peritoneal dialysis catheter430958003
- Peritonitis due to infected peritoneal dialysis catheter431873008
- Peritoneal fluid abnormal442768008
- Infection associated with peritoneal dialysis catheter473069007
- CAPD (Continuous ambulatory peritoneal dialysis) associated peritonitis699235009
- Continuous ambulatory peritoneal dialysis associated peritonitis699235009
- Acute serositis702691009
- Sclerosing peritonitis as complication of peritoneal dialysis713720009
- Sclerosing peritonitis due to peritoneal dialysis713720009
- Eosinophilia of peritoneal fluid782865007
- Eosinophilic infiltration of peritoneal cavity782865007
- Eosinophilic peritonitis782866008
- Peritoneal eosinophilia782866008
- Acute polyserositis1351694005
- Chronic polyserositis1351695006
UMLS
Clinical Terms
- Injury of cecum
- Sclerosing peritonitis due to peritoneal dialysis
- Fungal peritonitis
- Acute caecitis
- Faecal peritonitis
- Perforation of cecum
- Urine peritonitis (disorder)
- Peritonitis secondary to peritoneal dialysis
- Sclerosing peritonitis as complication of peritoneal dialysis
- CAPD (Continuous ambulatory peritoneal dialysis) associated peritonitis
- Fat necrosis of peritoneum
- Polyserositis
- Eosinophilic peritonitis
- Mesenteric saponification
- Continuous ambulatory peritoneal dialysis associated peritonitis
- Peritoneal dialysis-associated peritonitis
- Polyserositis syndrome of dialysis
- Mesenteric fat saponification
- Chronic polyserositis
- Chronic proliferative peritonitis
- Chronic peritonitis
- Acute serositis
- Peritoneal fat necrosis
- Mesenteric fat necrosis
- Uroperitonitis
- Eosinophilic infiltration of peritoneal cavity
- Infection of peritoneal dialysis catheter
- Sclerosing peritonitis
- Chronic proliferative peritonitis (disorder)
- Caecitis
- Peritonitis due to urine
- Peritoneal fluid abnormal
- Peritonitis due to infected peritoneal dialysis catheter
- Acute caecitis with perforation AND peritonitis
- Acute cecitis with perforation AND peritonitis
- Acute cecitis
- Granulomatous peritonitis
- Serositis
- Urine peritonitis
- Acute polyserositis
- Urinary peritonitis
- Peritoneal eosinophilia
- Parasitic peritonitis
- Typhlitis
- Eosinophilia of peritoneal fluid
- Cecitis
- Injury of caecum
- Perforation of caecum
- Infection associated with peritoneal dialysis catheter
- Perihepatitis
- Fecal peritonitis
- Long-term disorder of dialysis
Frequently Asked Questions
What is the ICD-10 code for other peritonitis?
The ICD-10-CM code for other peritonitis is K65.8. The full clinical description is "Other peritonitis". K65.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K65.8 mean?
ICD-10-CM code K65.8 represents “Other peritonitis”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.
Is K65.8 a billable code?
Yes, K65.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K65.8 in?
K65.8 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K65.8?
K65.8 has Excludes1 notes indicating codes that cannot be used together with it, including: acute appendicitis with generalized peritonitis (K35.2-); aseptic peritonitis (T81.6); benign paroxysmal peritonitis (E85.0); and 14 more.
Are additional codes required with K65.8?
Yes, when using K65.8, also report: code (B95-B97), to identify infectious agent, if known.
What SNOMED CT codes does K65.8 map to?
K65.8 maps to 34 SNOMED CT concepts: 25552000, 39642007, 1351694005, 702691009, 699235009, and 29 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K65.8?
K65.8 is linked to 3 UMLS Concept Unique Identifiers: C0267764, C0348746, C0341507. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K65.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other peritonitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K65.8?
K65.8 maps to the ICD-11 code: DC50.Z (Peritonitis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.