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K35.80 - Unspecified acute appendicitis


The ICD 10 Code for Unspecified acute appendicitis is listed as K35.80.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K35.80
Description: Unspecified acute appendicitis
  • Acute appendicitis NOS
  • Acute appendicitis without (localized) (generalized) peritonitis
Diagnostic Related Groups
(MS-DRG v30.0)
393 - Other Digestive System Diagnoses W Mcc
394 - Other Digestive System Diagnoses W Cc
395 - Other Digestive System Diagnoses W/o Cc/mcc
Chapter Diseases of the digestive system (K00-K95)
Block Diseases of appendix (K35-K38)
Parent K35.8 - Other and unspecified acute appendicitis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 540.9 - Acute appendicitis without mention of peritonitis (approximate)
ICD-10-CM Siblings (same level / similar specificity) of K35.80:
K35.89 - Other acute appendicitis