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 peritonitis (K35.2-)
- aseptic peritonitis (T81.6)
- benign paroxysmal peritonitis (E85.0)
- chemical peritonitis (T81.6)
- gonococcal peritonitis (A54.85)
- neonatal peritonitis (P78.0-P78.1)
- pelvic peritonitis, female (N73.3-N73.5)
- periodic familial peritonitis (E85.0)
- peritonitis due to talc or other foreign substance (T81.6)
- peritonitis in chlamydia (A74.81)
- peritonitis in diphtheria (A36.89)
- peritonitis in syphilis (late) (A52.74)
- peritonitis in tuberculosis (A18.31)
- peritonitis with or following abortion or ectopic or molar pregnancy (O00-O07, O08.0)
- peritonitis with or following appendicitis (K35.-)
- puerperal peritonitis (O85)
- retroperitoneal infections (K68.-)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use Additional Code
Additional codes that should follow this code
- code (B95-B97), to identify infectious agent, if known
Code Also
A second code may be required; sequencing depends on circumstances
- if applicable diverticular disease of intestine (K57.-)
Also Known As / Clinical Terms
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
Frequently Asked Questions
What is ICD-10 code K65.1?
ICD-10-CM code K65.1 represents "Peritoneal abscess". It 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 you should also code: 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.
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.