C15-C26: Malignant neoplasms of digestive organs

ICD-10-CM 2027 block C15-C26 in chapter 2 (Neoplasms) has 12 categories.

Block notes

Excludes1 (not coded here):
  • Kaposi's sarcoma of gastrointestinal sites (C46.4)
Excludes2 (not included here):
  • gastrointestinal stromal tumors (C49.A-)