Convert ICD-9-CM Diagnosis 170.9 to ICD-10-CM

ICD-9-CM 170.9 converts approximately to:
  • 2022 ICD-10-CM C41.9 Malignant neoplasm of bone and articular cartilage, unspecified

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2022 ICD-10-CM CMS General Equivalence Mappings.