ICD-10-CM Code K35.3
Acute appendicitis with localized peritonitis
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.K35.3 is a billable ICD code used to specify a diagnosis of acute appendicitis with localized peritonitis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code K35 is used to code Appendicitis
Appendicitis (also called epityphlitis) is inflammation of the appendix. Appendicitis commonly presents with right iliac fossa abdominal pain, nausea, vomiting, and decreased appetite. However, one third to a half of persons do not have these typical signs and symptoms. Severe complications of a ruptured appendix include widespread, painful inflammation of the inner lining of the abdominal wall and sepsis.
| Specialty: | General Surgery |
| MeSH Codes: | , , , |
| ICD 9 Codes: | 540, 541, 542, 543 |
An acutely inflamed and enlarged appendix, sliced lengthwise.
Coding Notes for K35.3 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Acute appendicitis with or without perforation or rupture NOS
- Acute appendicitis with or without perforation or rupture with localized peritonitis
- Acute appendicitis with peritoneal abscess
MS-DRG Mapping
- DRG Group #338-343 - Appendectomy with complicated principal diagnoses with MCC.
- DRG Group #338-343 - Appendectomy with complicated principal diagnoses with CC.
- DRG Group #338-343 - Appendectomy with complicated principal diagnoses without CC or MCC.
- DRG Group #338-343 - Appendectomy without complicated principal diagnoses with MCC.
- DRG Group #338-343 - Appendectomy without complicated principal diagnoses with CC.
- DRG Group #338-343 - Appendectomy without complicated principal diagnoses without CC or MCC.
- DRG Group #371-373 - Major gastrointestinal disorders and peritoneal infections with MCC.
- DRG Group #371-373 - Major gastrointestinal disorders and peritoneal infections with CC.
- DRG Group #371-373 - Major gastrointestinal disorders and peritoneal infections without CC or MCC.
Related Concepts SNOMET-CT
- Abscess of appendix (disorder)
- Acute appendicitis with localized peritonitis (disorder)
ICD-10-CM Alphabetical Index References for 'K35.3 - Acute appendicitis with localized peritonitis'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code K35.3. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code K35.3 and a single ICD9 code, 540.1 is an approximate match for comparison and conversion purposes.
Parent Code: K35 - Acute appendicitis