T45.0X1
Poisoning by antiallergic and antiemetic drugs, accidental (unintentional)
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 3 never code together
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
T45.0X1code
Inclusion terms
- Poisoning by antiallergic and antiemetic drugs NOS
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 1 filed at T45
The index files this at T45. The tabular
extends it — laterality, staging, or the 7th character — so these entries
lead to the family rather than to T45.0X1 exactly.
- Adverse effect — see Table of Drugs and Chemicals, categories T36-T50, with 6th character 5
Alongside this code 5 same parent — T45.0X
T45.0X2 Poisoning by antiallerg/antiemetic, intentional self-harm category T45.0X3 Poisoning by antiallergic and antiemetic drugs, assault category T45.0X4 Poisoning by antiallergic and antiemetic drugs, undetermined category T45.0X5 Adverse effect of antiallergic and antiemetic drugs category T45.0X6 Underdosing of antiallergic and antiemetic drugs category
Subordinate codes 3
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.