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C40

Non-billable

Malignant neoplasm of bone and articular cartilage of limbs

C40 is the ICD-10-CM code for Malignant neoplasm of bone and articular cartilage of limbs. It is a non-billable category code — use a more specific child code such as C40.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
6
Edition
FY2026

C00-D49 Neoplasms

Use additional code

  • •code to identify major osseous defect, if applicable (M89.7-)

Frequently asked questions

What is ICD-10 code C40?
C40 is the ICD-10-CM code for "Malignant neoplasm of bone and articular cartilage of limbs". It falls under C00-D49 Neoplasms.
Is C40 a billable code?
No — C40 is a non-billable header code. Use a more specific child code (such as C40.0) for billing.
What are the subcodes of C40?
C40 has 6 more specific child codes, including C40.0, C40.1, C40.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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