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Appendicitis and other appendiceal conditions

CCSR category DIG009 · 26 ICD-10-CM codes

Code Families in This Category

  • K35 Acute appendicitis · 18
  • K38 Other diseases of appendix · 6
  • K36 Other appendicitis · 1
  • K37 Unspecified appendicitis · 1

ICD-10-CM Codes in This Category (26)

  • K35.2 — Acute appendicitis with generalized peritonitis
  • K35.20 — Acute appendicitis with generalized peritonitis, without abscess
  • K35.200 — Acute appendicitis with generalized peritonitis, without perforation or abscess
  • K35.201 — Acute appendicitis with generalized peritonitis, with perforation, without abscess
  • K35.209 — Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation
  • K35.21 — Acute appendicitis with generalized peritonitis, with abscess
  • K35.210 — Acute appendicitis with generalized peritonitis, without perforation, with abscess
  • K35.211 — Acute appendicitis with generalized peritonitis, with perforation and abscess
  • K35.219 — Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
  • K35.3 — Acute appendicitis with localized peritonitis
  • K35.30 — Acute appendicitis with localized peritonitis, without perforation or gangrene
  • K35.31 — Acute appendicitis with localized peritonitis and gangrene, without perforation
  • K35.32 — Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
  • K35.33 — Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
  • K35.80 — Unspecified acute appendicitis
  • K35.89 — Other acute appendicitis
  • K35.890 — Other acute appendicitis without perforation or gangrene
  • K35.891 — Other acute appendicitis without perforation, with gangrene
  • K36 — Other appendicitis
  • K37 — Unspecified appendicitis
  • 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

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, Rockville, MD. All data sources.