C40-C41

Non-Billable
ChapterC00–D49
Rankblock
Official Description

Malignant neoplasms of bone and articular cartilage (C40-C41)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional 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.-)

Clinical Hierarchy

CH2Neoplasms (C00-D49)
C40-C41Malignant neoplasms of bone and articular cartilage (C40-C41)
C40Malignant neoplasm of bone and articular cartilage of limbs
C41Malignant neoplasm of bone and articular cartilage of other and unspecified sites

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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