Convert ICD-9-CM Diagnosis 971.9 to ICD-10-CM

ICD-9-CM 971.9 converts approximately to:
  • 2021 ICD-10-CM T44.901A Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
    or:
  • 2021 ICD-10-CM T44.902A Poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, initial encounter
    or:
  • 2021 ICD-10-CM T44.903A Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault, initial encounter
    or:
  • 2021 ICD-10-CM T44.904A Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, initial encounter
    or:
  • 2021 ICD-10-CM T44.991A Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
    or:
  • 2021 ICD-10-CM T44.992A Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm, initial encounter
    or:
  • 2021 ICD-10-CM T44.993A Poisoning by other drug primarily affecting the autonomic nervous system, assault, initial encounter
    or:
  • 2021 ICD-10-CM T44.994A Poisoning by other drug primarily affecting the autonomic nervous system, 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.