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HomeICD-10 CodesC40
ICD-10-CM
Billable

C40

Classification
Category:
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Coding Guidance
Coding Guidance C40 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Use Additional Code
From
Use Additional Code The 'use additional code' note instructs that a secondary code should be added to provide more detail. 1 item • code to identify major osseous defect, if applicable ( M89.7- )

More Specific Codes

C40.0
Malignant neoplasm of scapula and long bones of upper limb C40.0
C40.1
Malignant neoplasm of short bones of upper limb C40.1
C40.2
Malignant neoplasm of long bones of lower limb C40.2
C40.3
Malignant neoplasm of short bones of lower limb C40.3
C40.8
Malignant neoplasm of overlapping sites of bone and articular cartilage of limb C40.8
C40.9
Malignant neoplasm of unspecified bones and articular cartilage of limb C40.9
C00-D49
C00-D49 - Neoplasms

External Resources

2025 ICD-10 guidelines from CMS.gov