K65.0
BillableGeneralized (acute) peritonitis
Generalized (acute) peritonitis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Pelvic peritonitis (acute), male
- Subphrenic peritonitis (acute)
- Suppurative peritonitis (acute)
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(46)
SNOMED CT
- Acute suppurative peritonitis8733006
- Subphrenic peritonitis29026008
- Acute bacterial peritonitis31860008
- Acute generalised peritonitis52890006
- Acute generalized peritonitis52890006
- Acute peritonitis67602004
- Chronic peritonitis87510000
- Purulent peritonitis235983003
- Suppurative peritonitis235983003
- Pelvic peritonitis788010000
- Acute pelvic peritonitis788011001
- Chronic inflammation of pelvic peritoneum788013003
- Chronic pelvic peritonitis788013003
- Acute infectious peritonitis1163087003
- Acute infectious generalised peritonitis1163088008
- Acute infectious generalized peritonitis1163088008
UMLS
- Acute generalised peritonitisC0267751
- Acute generalized peritonitisC0267751
- Acute generalized peritonitis (disorder)C0267751
- Generalized (acute) peritonitisC0267751
- Acute suppurative peritonitisC0267752
- Acute suppurative peritonitis (disorder)C0267752
- Suppurative peritonitis (acute)C0267752
- Pelvic peritonitis (acute), maleC2887905
- Subphrenic peritonitis (acute)C2887906
Clinical Terms
- Pelvic peritonitis
- Pelvic peritonitis (acute), male
- Acute generalized peritonitis
- Acute infectious generalized peritonitis
- Suppurative peritonitis (acute)
- Chronic pelvic peritonitis
- Acute infectious generalised peritonitis
- Acute infectious peritonitis
- Acute suppurative peritonitis
- Chronic inflammation of pelvic peritoneum
- Acute bacterial peritonitis
- Chronic peritonitis
- Acute pelvic peritonitis
- Subphrenic peritonitis
- Acute peritonitis
- Acute generalised peritonitis
- Suppurative peritonitis
- Acute generalized peritonitis (disorder)
- Acute suppurative peritonitis (disorder)
- Purulent peritonitis
- Subphrenic peritonitis (acute)
Frequently Asked Questions
What is the ICD-10 code for generalized (acute) peritonitis?
The ICD-10-CM code for generalized (acute) peritonitis is K65.0. The full clinical description is "Generalized (acute) peritonitis". K65.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K65.0 mean?
ICD-10-CM code K65.0 represents “Generalized (acute) 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 K65.0 a billable code?
Yes, K65.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K65.0 in?
K65.0 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K65.0?
K65.0 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 K65.0?
Yes, when using K65.0, also report: code (B95-B97), to identify infectious agent, if known.
What SNOMED CT codes does K65.0 map to?
K65.0 maps to 12 SNOMED CT concepts: 31860008, 52890006, 1163088008, 1163087003, 788011001, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K65.0?
K65.0 is linked to 4 UMLS Concept Unique Identifiers: C0267751, C0267752, C2887905, C2887906. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K65.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like generalized (acute) 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 K65.0?
K65.0 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.