Convert ICD-9-CM Diagnosis 201.21 to ICD-10-CM

ICD-9-CM 201.21 converts approximately to:
  • 2020 ICD-10-CM C81.71 Other Hodgkin lymphoma, lymph nodes of head, face, and neck

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: 2020 ICD-10-CM CMS General Equivalence Mappings.