C40

⚠ Non-billable (Header)

Malignant neoplasm of bone and articular cartilage of limbs

Neoplasms (C00-D49)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

direct

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

Child Codes (6)

C40.0Malignant neoplasm of scapula and long bones of upper limbHeader C40.1Malignant neoplasm of short bones of upper limbHeader C40.2Malignant neoplasm of long bones of lower limbHeader C40.3Malignant neoplasm of short bones of lower limbHeader C40.8Malignant neoplasm of overlapping sites of bone and articular cartilage of limbHeader C40.9Malignant neoplasm of unspecified bones and articular cartilage of limbHeader

Clinical Description

ICD-10-CM code C40 represents malignant neoplasm of bone and articular cartilage of limbs. This code falls under the Neoplasms (C00-D49) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

Frequently Asked Questions

What is ICD-10 code C40?

ICD-10-CM code C40 is "Malignant neoplasm of bone and articular cartilage of limbs". It belongs to the category: Neoplasms (C00-D49).

Is C40 a billable ICD-10 code?

No, C40 is a non-billable header code. A more specific child code must be used for billing.

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Code Information

CodeC40

BillableNo — Header code

CategoryNeoplasms (C00-D49)

Excludes10 rule(s)

Excludes20 note(s)

Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)