K65.2
BillableSpontaneous bacterial peritonitis
Spontaneous bacterial peritonitis
Coding Notes
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
- •bacterial peritonitis NOSK65.9
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)
Also Known As / Clinical Terms(13)
SNOMED CT
UMLS
Clinical Terms
- Primary bacterial peritonitis
- Primary bacterial peritonitis (disorder)
- SBP - Spontaneous bacterial peritonitis
- bacterial peritonitis spontaneous
Frequently Asked Questions
What is the ICD-10 code for spontaneous bacterial peritonitis?
The ICD-10-CM code for spontaneous bacterial peritonitis is K65.2. The full clinical description is "Spontaneous bacterial peritonitis". K65.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K65.2 mean?
ICD-10-CM code K65.2 represents “Spontaneous bacterial 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 K65.2 a billable code?
Yes, K65.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K65.2 in?
K65.2 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K65.2?
K65.2 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 15 more.
Are additional codes required with K65.2?
Yes, when using K65.2, also report: code (B95-B97), to identify infectious agent, if known.
What SNOMED CT codes does K65.2 map to?
K65.2 maps to 1 SNOMED CT concept: 11836002. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K65.2?
K65.2 is linked to 1 UMLS Concept Unique Identifier: C0275551. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K65.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like spontaneous bacterial 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 K65.2?
There is no direct ICD-11 mapping available for K65.2 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.