T49.5X3
Poisoning by ophthalmological drugs and preparations, assault
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
T49code
Includes
- poisoning by, adverse effect of and underdosing of glucocorticoids, topically used
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 T49.5
The index files this at T49.5. The tabular
extends it — laterality, staging, or the 7th character — so these entries
lead to the family rather than to T49.5X3 exactly.
- Adverse effect — see Table of Drugs and Chemicals, categories T36-T50, with 6th character 5
Alongside this code 5 same parent — T49.5X
T49.5X1 Poisoning by opth drugs and preparations, accidental category T49.5X2 Poisoning by opth drugs and preparations, self-harm category T49.5X4 Poisoning by opth drugs and preparations, undetermined category T49.5X5 Adverse effect of ophthalmological drugs and preparations category T49.5X6 Underdosing of ophthalmological drugs and preparations 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.