C40.3

Non-billable

Malignant neoplasm of short bones of lower limb

C40.3 is the ICD-10-CM code for Malignant neoplasm of short bones of lower limb. It is a non-billable category code — use a more specific child code such as C40.30 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C40
Subcodes
3
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

Cancer that starts in a bone is uncommon. Cancer that has spread to the bone from another part of the body is more common. There are three types of bone cancer: Osteosarcoma - occurs most often between ages 10 and 19. It is more common in the knee and upper arm. Chondrosarcoma - starts in cartilage, usually after age 40 Ewing's sarcoma - occurs most often in children and teens under 19. It is more common in boys…

Read more about Bone Cancer at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code C40.3?
C40.3 is the ICD-10-CM code for "Malignant neoplasm of short bones of lower limb". It falls under C00-D49 Neoplasms.
Is C40.3 a billable code?
No — C40.3 is a non-billable header code. Use a more specific child code (such as C40.30) for billing.
What are the subcodes of C40.3?
C40.3 has 3 more specific child codes, including C40.30, C40.31, C40.32.

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

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