K65.0 is the ICD-10 code for Acute peritonitis. It is a four-character subcategory of K65 (Peritonitis), the most specific level in the WHO edition. It belongs to the block K65–K67 (Diseases of peritoneum) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K65.0 includes
Conditions and terms that are coded here.
- Abscess (of):
- abdominopelvic
- mesenteric
- omentum
- peritoneum
- retrocaecal
- retroperitoneal
- subdiaphragmatic
- subhepatic
- subphrenic
- Peritonitis (acute):
- generalized
- pelvic, male
- subphrenic
- suppurative
Coding notes
- Use additional code (B95-B98), if desired, to identify infectious agent.
K65.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K65.0Akut peritonit
K65.0Akutt peritonitt
DK650Akut peritonitis
- DK650AAbdominalabsces
- DK650BAbscessus bursae omentalis
- DK650CAbscessus fossae rectovesicalis
- DK650DAbscessus intraperitonealis
- DK650EAbsces i mesenteriet
- DK650FAbsces i omentet
- DK650GBækkenabsces
- DK650HAbscessus rectovaginalis
- and 8 more national subcodes
K65.0Akuutti vatsakalvotulehdus
K65.0Akute Peritonitis
- K65.00Spontane bakterielle Peritonitis [SBP] (akut)
- K65.09Sonstige und nicht näher bezeichnete akute Peritonitis
K65.0Péritonite aigüe
K65.0acute peritonitis
K65.0Generalized (acute) peritonitis
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free