ICD-10-CM 2023: K30-K39
| รหัส | คำอธิบาย |
| K30 | Functional dyspepsia |
| K31 | Other diseases of stomach and duodenum |
| K31.0 | Acute dilatation of stomach |
| K31.1 | Adult hypertrophic pyloric stenosis |
| K31.2 | Hourglass stricture and stenosis of stomach |
| K31.3 | Pylorospasm, not elsewhere classified |
| K31.4 | Gastric diverticulum |
| K31.5 | Obstruction of duodenum |
| K31.6 | Fistula of stomach and duodenum |
| K31.7 | Polyp of stomach and duodenum |
| K31.8 | Other specified diseases of stomach and duodenum |
| K31.81 | Angiodysplasia of stomach and duodenum |
| K31.811 | Angiodysplasia of stomach and duodenum with bleeding |
| K31.819 | Angiodysplasia of stomach and duodenum without bleeding |
| K31.82 | Dieulafoy lesion (hemorrhagic) of stomach and duodenum |
| K31.83 | Achlorhydria |
| K31.84 | Gastroparesis |
| 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 |
| K35.20 | Acute appendicitis with generalized peritonitis, without abscess |
| K35.21 | Acute appendicitis with generalized peritonitis, with abscess |
| 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 |
| K35.8 | Other and unspecified acute appendicitis |
| 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 | 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 |