Convert ICD-9-CM Diagnosis 977.9 to ICD-10-CM

ICD-9-CM 977.9 converts approximately to:
  • 2021 ICD-10-CM T50.901A Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional), initial encounter
    or:
  • 2021 ICD-10-CM T50.902A Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm, initial encounter
    or:
  • 2021 ICD-10-CM T50.903A Poisoning by unspecified drugs, medicaments and biological substances, assault, initial encounter
    or:
  • 2021 ICD-10-CM T50.904A Poisoning by unspecified drugs, medicaments and biological substances, undetermined, 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: 2021 ICD-10-CM CMS General Equivalence Mappings.