T44.901A
Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
- Release
- FY 2027
- Effective
Hierarchy
Where T44.901A sits in the official hierarchy. Each level is the code it is classified under.
- T44 Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
- T44.9 Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system
- T44.90 Poisoning by, adverse effect of and underdosing of unspecified drugs primarily affecting the autonomic nervous system
- T44.901 Parent Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional)
- T44.901A This code Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
7th Character
The appropriate 7th character is to be added to each code from category T44
Inherited from T44 — Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
7th Character
A - initial encounter
Inherited from T44 — Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
7th Character
D - subsequent encounter
Inherited from T44 — Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
7th Character
S - sequela
Inherited from T44 — Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
Version History
How T44.901A appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPoisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
-
FY 2026 Effective
UnchangedPoisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter
Related Codes
Other codes under T44.901
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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