Convert ICD-10-CM T85.521A to ICD-9-CM

ICD-10-CM T85.521A converts approximately to:
  • 2015 ICD-9-CM 996.59 Mechanical complication due to other implant and internal device, not elsewhere classified

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.