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ICD-10-CM Codes
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K00-K95
Diseases of the digestive system
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K65-K68
Diseases of peritoneum and retroperitoneum
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K65-
Peritonitis
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2020 ICD-10-CM Diagnosis Code K65.8
Other peritonitis
2016 2017 2018 2019 2020 Billable/Specific Code
- K65.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2020 edition of ICD-10-CM K65.8 became effective on October 1, 2019.
- This is the American ICD-10-CM version of K65.8 - other international versions of ICD-10 K65.8 may differ.
Applicable To- Chronic proliferative peritonitis
- Peritonitis due to urine
The following code(s) above
K65.8 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
K65.8:
- Chronic peritonitis
- Chronic proliferative peritonitis
- Mesenteric saponification
- Peritonitis after surgery
- Peritonitis due to infected dialysis catheter
- Peritonitis due to infected peritoneal dialysis catheter
- Peritonitis due to urine
- Peritonitis, chronic
- Peritonitis, chronic proliferative
- Peritonitis, pneumococcal
- Pneumococcal peritonitis
- Postoperative peritonitis
- Urine peritonitis
ICD-10-CM K65.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
- 371 Major gastrointestinal disorders and peritoneal infections with mcc
- 372 Major gastrointestinal disorders and peritoneal infections with cc
- 373 Major gastrointestinal disorders and peritoneal infections without cc/mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Convert K65.8 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- Capsulitis (joint) - see also Enthesopathy
- Cecitis K52.9
ICD-10-CM Diagnosis Code K52.9
Noninfective gastroenteritis and colitis, unspecified
2016 2017 2018 2019 2020 Billable/Specific Code
Applicable To- Colitis NOS
- Enteritis NOS
- Gastroenteritis NOS
- Ileitis NOS
- Jejunitis NOS
- Sigmoiditis NOS
Type 1 Excludes- diarrhea NOS (R19.7)
- functional diarrhea (K59.1)
- infectious gastroenteritis and colitis NOS (A09)
- neonatal diarrhea (noninfective) (P78.3)
- psychogenic diarrhea (F45.8)
- with perforation, peritonitis, or rupture K65.8
- Perihepatitis K65.8
- Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) K65.9
ICD-10-CM Diagnosis Code K65.9
Peritonitis, unspecified
2016 2017 2018 2019 2020 Billable/Specific Code
Applicable To- Bacterial peritonitis NOS
- due to
- eosinophilic K65.8
- chronic proliferative K65.8
- proliferative, chronic K65.8
- specified NEC K65.8
- urine K65.8
- Saponification, mesenteric K65.8
- Serositis, multiple K65.8
ICD-10-CM Codes Adjacent To K65.8
K64.4 Residual hemorrhoidal skin tags
K64.5 Perianal venous thrombosis
K64.9 Unspecified hemorrhoids
K65.0 Generalized (acute) peritonitis
K65.2 Spontaneous bacterial peritonitis
K65.4 Sclerosing mesenteritis
K65.8
Other peritonitis
K65.9 Peritonitis, unspecified
K66 Other disorders of peritoneum
K66.0 Peritoneal adhesions (postprocedural) (postinfection)
K66.8 Other specified disorders of peritoneum
K66.9 Disorder of peritoneum, unspecified
K67 Disorders of peritoneum in infectious diseases classified elsewhere
K68 Disorders of retroperitoneum
K68.1 Retroperitoneal abscess
K68.11 Postprocedural retroperitoneal abscess
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
