ICD-10-CM C40: Malignant neoplasm of bone and articular cartilage of limbs

ICD-10-CM Diagnosis Code (2025)

Official Description for C40

Malignant neoplasm of bone and articular cartilage of limbs

Coding Notes & Guidelines for C40

Use Additional Code

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

Child Codes (More Specific Codes for C40):

C40.0 - Malignant neoplasm of scapula and long bones of upper limb C40.00 - Malignant neoplasm of scapula and long bones of unspecified upper limb C40.01 - Malignant neoplasm of scapula and long bones of right upper limb C40.02 - Malignant neoplasm of scapula and long bones of left upper limb C40.1 - Malignant neoplasm of short bones of upper limb C40.10 - Malignant neoplasm of short bones of unspecified upper limb C40.11 - Malignant neoplasm of short bones of right upper limb C40.12 - Malignant neoplasm of short bones of left upper limb C40.2 - Malignant neoplasm of long bones of lower limb C40.20 - Malignant neoplasm of long bones of unspecified lower limb C40.21 - Malignant neoplasm of long bones of right lower limb C40.22 - Malignant neoplasm of long bones of left lower limb C40.3 - Malignant neoplasm of short bones of lower limb C40.30 - Malignant neoplasm of short bones of unspecified lower limb C40.31 - Malignant neoplasm of short bones of right lower limb C40.32 - Malignant neoplasm of short bones of left lower limb C40.8 - Malignant neoplasm of overlapping sites of bone and articular cartilage of limb C40.80 - Malignant neoplasm of overlapping sites of bone and articular cartilage of unspecified limb C40.81 - Malignant neoplasm of overlapping sites of bone and articular cartilage of right limb C40.82 - Malignant neoplasm of overlapping sites of bone and articular cartilage of left limb C40.9 - Malignant neoplasm of unspecified bones and articular cartilage of limb C40.90 - Malignant neoplasm of unspecified bones and articular cartilage of unspecified limb C40.91 - Malignant neoplasm of unspecified bones and articular cartilage of right limb C40.92 - Malignant neoplasm of unspecified bones and articular cartilage of left limb

About ICD-10-CM Code C40 (Malignant neoplasm of bone and articular cartilage of limbs)

ICD-10-CM code C40 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C40 became effective on October 1, 2024.

This page provides detailed information about C40 - Malignant neoplasm of bone and articular cartilage of limbs. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Malignant neoplasm of bone and articular cartilage of limbs.