Convert ICD-9-CM Diagnosis 851.86 to ICD-10-CM

ICD-9-CM 851.86 converts approximately to:
  • 2018 ICD-10-CM S06.339A Contusion and laceration of cerebrum, unspecified, with loss of consciousness of unspecified duration, initial encounter

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: 2018 ICD-10-CM CMS General Equivalence Mappings.