Convert ICD-9-CM Diagnosis 171.9 to ICD-10-CM

ICD-9-CM 171.9 converts approximately to:
  • 2019 ICD-10-CM C49.9 Malignant neoplasm of connective and soft tissue, 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: 2019 ICD-10-CM CMS General Equivalence Mappings.