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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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2018/2019 ICD-10-CM Diagnosis Code K35
Acute appendicitis
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- K35 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2018/2019 edition of ICD-10-CM K35 became effective on October 1, 2018.
- This is the American ICD-10-CM version of K35 - other international versions of ICD-10 K35 may differ.
The following code(s) above
K35 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:
- A disorder characterized by acute inflammation to the vermiform appendix caused by a pathogenic agent.
- Acute inflammation of the vermiform appendix.
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
Code annotations containing back-references to K35:
ICD-10-CM Codes Adjacent To K35
K31.7 Polyp of stomach and duodenum
K31.8 Other specified diseases of stomach and duodenum
K31.81 Angiodysplasia of stomach and duodenum
K31.82 Dieulafoy lesion (hemorrhagic) of stomach and duodenum
K31.89 Other diseases of stomach and duodenum
K31.9 Disease of stomach and duodenum, unspecified
K35
Acute appendicitis
K35.2 Acute appendicitis with generalized peritonitis
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
