C40-C41: Malignant neoplasms of bone and articular cartilage

ICD-10-CM 2027 block C40-C41 in chapter 2 (Neoplasms) has 2 categories.

Block notes

Includes:
  • malignant neoplasm of cartilage (articular) (joint)
  • malignant neoplasm of periosteum
Excludes1 (not coded here):
  • malignant neoplasm of bone marrow NOS (C96.9)
  • malignant neoplasm of synovia (C49.-)