Convert ICD-9-CM Diagnosis 201.91 to ICD-10-CM

ICD-9-CM 201.91 converts directly to:
  • 2020 ICD-10-CM C81.91 Hodgkin lymphoma, unspecified, lymph nodes of head, face, and neck

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