K65.0

Billable

Generalized (acute) peritonitis

Generalized (acute) peritonitis

Status

Billable / Specific

Block

K65-K68

Parent Code

K65

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Pelvic peritonitis (acute), male
  • Subphrenic peritonitis (acute)
  • Suppurative peritonitis (acute)

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 mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(46)

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).

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.