T39.1X5 Adverse effect of 4-Aminophenol derivatives
The ICD-10-CM code for Adverse effect of 4-Aminophenol derivatives is T39.1X5 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- T36-T50: Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- Category T39
- 70 codes (54 billable)
- FY2026 Status
- Stable since FY2024
Official Coding Guidelines
Sequence blood vessel/nerve injury first (fragment)injury is to the blood vessels or nerves, that injury should be sequenced first.
Do not assign injury codes for iatrogenic injuries; code complication3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026