T44.992
Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 2 never code together
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
T44.9code
Inclusion terms
- Poisoning by, adverse effect of and underdosing of drug stimulating both alpha and beta-adrenoreceptors
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 5 same parent — T44.99
T44.991 Poisoning by oth drug aff the autonomic nervous sys, acc category T44.993 Poisoning by oth drug aff the autonomic nervous sys, assault category T44.994 Poisoning by oth drug aff the autonomic nervous sys, undet category T44.995 Adverse effect of drug aff the autonomic nervous system category T44.996 Underdosing of drug aff the autonomic nervous system category
Subordinate codes 3
Medications 5
16 Autonomic Nervous System Diseases drugs 1 Mercury Poisoning, Nervous System drugs 1 Lead Poisoning, Nervous System drugs 1336 Nervous System Diseases drugs 131 Nervous System Neoplasms drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.