T44.994A
Poisoning by other drug primarily affecting the autonomic nervous system, undetermined, initial encounter
- Release
- FY 2027
- Effective
Hierarchy
Where T44.994A 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
- T44.99 Poisoning by, adverse effect of and underdosing of other drugs primarily affecting the autonomic nervous system
- T44.994 Parent Poisoning by other drug primarily affecting the autonomic nervous system, undetermined
- T44.994A This code Poisoning by other drug primarily affecting the autonomic nervous system, undetermined, 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 T44.994A appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPoisoning by other drug primarily affecting the autonomic nervous system, undetermined, initial encounter
-
FY 2026 Effective
UnchangedPoisoning by other drug primarily affecting the autonomic nervous system, undetermined, initial encounter
Related Codes
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)
MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.
Look up another code
Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.