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ICD-10-CM Codes
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K00-K95
Diseases of the digestive system
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K35-K38
Diseases of appendix
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K35-
Acute appendicitis
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2022 ICD-10-CM Diagnosis Code K35.891
2022 ICD-10-CM Diagnosis Code K35.891
Other acute appendicitis without perforation, with gangrene
2019 - New Code 2020 2021 2022 Billable/Specific Code
- K35.891 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2022 edition of ICD-10-CM K35.891 became effective on October 1, 2021.
- This is the American ICD-10-CM version of K35.891 - other international versions of ICD-10 K35.891 may differ.
Applicable To- (Acute) appendicitis with gangrene NOS
The following code(s) above
K35.891 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
K35.891:
ICD-10-CM K35.891 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
- 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
Code History
- 2019 (effective 10/1/2018): New code
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- Appendicitis (pneumococcal) (retrocecal) K37
ICD-10-CM Diagnosis Code K37
Unspecified appendicitis
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
- with
- acute (catarrhal) (fulminating) (gangrenous) (obstructive) (retrocecal) (suppurative) K35.80
ICD-10-CM Diagnosis Code K35.80
Unspecified acute appendicitis
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
Applicable To- Acute appendicitis NOS
- Acute appendicitis without (localized) (generalized) peritonitis
- with
- specified NEC K35.890
ICD-10-CM Diagnosis Code K35.890
Other acute appendicitis without perforation or gangrene
2019 - New Code 2020 2021 2022 Billable/Specific Code
ICD-10-CM Codes Adjacent To K35.891
K35.3 Acute appendicitis with localized peritonitis
K35.30 …… without perforation or gangrene
K35.31 …… and gangrene, without perforation
K35.32 Acute appendicitis with perforation and localized peritonitis, without abscess
K35.33 Acute appendicitis with perforation and localized peritonitis, with abscess
K35.8 Other and unspecified acute appendicitis
K35.80 Unspecified acute appendicitis
K35.89 Other acute appendicitis
K35.890 …… without perforation or gangrene
K35.891
…… without perforation, with gangrene
K37 Unspecified appendicitis
K38 Other diseases of appendix
K38.0 Hyperplasia of appendix
K38.1 Appendicular concretions
K38.2 Diverticulum of appendix
K38.3 Fistula of appendix
K38.8 Other specified diseases of appendix
K38.9 Disease of appendix, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.