K65.1
BillablePeritoneal abscess
Peritoneal abscess
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Abdominopelvic abscess
- Abscess (of) omentum
- Abscess (of) peritoneum
- Mesenteric abscess
- Retrocecal abscess
- Subdiaphragmatic abscess
- Subhepatic abscess
- Subphrenic abscess
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)
Also Known As / Clinical Terms(128)
SNOMED CT
- Intraabdominal abscess following surgical procedure2471009
- Postoperative intra-abdominal abscess2471009
- Retrocaecal abscess18089006
- Retrocecal abscess18089006
- Mesenteric abscess32141002
- Retroperitoneal abscess32362007
- Abdominopelvic abscess33781009
- Abdominal visceral abscess47493003
- Subdiaphragmatic abscess52478002
- Subphrenic abscess52478002
- Abscess of omentum54138003
- Omental abscess54138003
- Intradiaphragmatic abscess63064000
- Subhepatic abscess72249004
- Abscess of peritoneum73962000
- Intraperitoneal abscess73962000
- Abdominal abscess75100008
- Intra-abdominal abscess75100008
- Midabdominal abscess79560005
- Pelvic abscess111367007
- Infraperitoneal abscess197176008
- Subperitoneal abscess197176008
- Paracolic abscess197178009
- Pericolic abscess197178009
- Male pelvic abscess197180003
- Suprahepatic abscess235994004
- Abscess of Rutherford Morison pouch235995003
- Rutherford Morison pouch abscess235995003
- Rutherford Morison's pouch abscess235995003
- Lesser sac abscess235996002
- Abscess between intestinal loops278486006
- Abscess due to peritonitis785834005
- Peritonitis due to abscess785835006
- Abscess of adrenal gland1217049005
- Adrenal abscess1217049005
- Abscess of abdomen caused by Nocardia14770001000004107
- Nocardia abscess of abdomen14770001000004107
- Acute male pelvic abscess17951000119105
- Intraabdominal abscess after procedure12243301000119100
- Postprocedural intraabdominal abscess12243301000119100
UMLS
- Abdominopelvic abscessC0267759
- Abdominopelvic abscess (disorder)C0267759
- Abscess (of) omentumC0238316
- Abscess of omentumC0238316
- Abscess of omentum (disorder)C0238316
- Omental abscessC0238316
- Abscess (of) peritoneumC0267756
- Abscess of peritoneumC0267756
- Abscess of peritoneum (disorder)C0267756
- Intraperitoneal abscessC0267756
- Peritoneal abscessC0267756
- peritoneal abscessC0267756
- Abscess, SubdiaphragmaticC0038565
- Abscess, SubphrenicC0038565
- Abscesses, SubdiaphragmaticC0038565
- Abscesses, SubphrenicC0038565
- Subdiaphragmatic AbscessC0038565
- Subdiaphragmatic AbscessesC0038565
- Subdiaphragmatic abscessC0038565
- Subdiaphragmatic abscess (disorder)C0038565
- Subphrenic AbscessC0038565
- Subphrenic AbscessesC0038565
- Subphrenic abscessC0038565
- subdiaphragmatic abscessC0038565
- subphrenic abscessC0038565
- Mesenteric AbscessC0267760
- Mesenteric abscessC0267760
- Mesenteric abscess (disorder)C0267760
- Retrocaecal abscessC0267761
- Retrocecal abscessC0267761
- Retrocecal abscess (disorder)C0267761
- Subhepatic abscessC0267762
- Subhepatic abscess (disorder)C0267762
Clinical Terms
- Abscess due to peritonitis
- Infraperitoneal abscess
- Intradiaphragmatic abscess
- Lesser sac abscess
- Omental abscess
- Paracolic abscess
- Mesenteric abscess
- Rutherford Morison's pouch abscess
- Acute male pelvic abscess
- Abdominopelvic abscess (disorder)
- Abscess, Subphrenic
- Abscess (of) peritoneum
- Retrocecal abscess (disorder)
- Retroperitoneal abscess
- Abscess (of) omentum
- Subdiaphragmatic abscess
- Abscess of Rutherford Morison pouch
- Abscess of omentum (disorder)
- Abscess of omentum
- Intraabdominal abscess after procedure
- Suprahepatic abscess
- Subphrenic abscess
- Abscess between intestinal loops
- Postprocedural intraabdominal abscess
- Abdominal visceral abscess
- Subphrenic Abscesses
- Pericolic abscess
- Retrocaecal abscess
- Abdominopelvic abscess
- Abscess of abdomen caused by Nocardia
- Pelvic abscess
- Subdiaphragmatic Abscesses
- Retrocecal abscess
- Subperitoneal abscess
- Midabdominal abscess
- Male pelvic abscess
- Postoperative intra-abdominal abscess
- Abscesses, Subphrenic
- Abdominal abscess
- Rutherford Morison pouch abscess
- Abscess of peritoneum
- Subhepatic abscess
- Mesenteric abscess (disorder)
- Subdiaphragmatic abscess (disorder)
- Peritonitis due to abscess
- Abscesses, Subdiaphragmatic
- Intraperitoneal abscess
- Abscess, Subdiaphragmatic
- Intra-abdominal abscess
- Subhepatic abscess (disorder)
- Nocardia abscess of abdomen
- Abscess of peritoneum (disorder)
- Intraabdominal abscess following surgical procedure
- Abscess of adrenal gland
- Adrenal abscess
Frequently Asked Questions
What is the ICD-10 code for peritoneal abscess?
The ICD-10-CM code for peritoneal abscess is K65.1. The full clinical description is "Peritoneal abscess". K65.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K65.1 mean?
ICD-10-CM code K65.1 represents “Peritoneal abscess”. 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 K65.1 a billable code?
Yes, K65.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K65.1 in?
K65.1 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K65.1?
K65.1 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 K65.1?
Yes, when using K65.1, also report: code (B95-B97), to identify infectious agent, if known.
What SNOMED CT codes does K65.1 map to?
K65.1 maps to 27 SNOMED CT concepts: 75100008, 47493003, 33781009, 278486006, 785834005, and 22 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K65.1?
K65.1 is linked to 7 UMLS Concept Unique Identifiers: C0267759, C0238316, C0267756, C0038565, C0267760, and 2 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K65.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like peritoneal abscess 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 K65.1?
There is no direct ICD-11 mapping available for K65.1 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.