T39.1X4 Poisoning by 4-Aminophenol derivatives, undetermined

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Poisoning by 4-Aminophenol derivatives, undetermined is T39.1X4 (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.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) 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).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference T39.1X4 with the canonical source and edition:

T39.1X4 — Poisoning by 4-Aminophenol derivatives, undetermined. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T39.1X4

Canonical URL: https://icd10codingpro.com/codes/T39.1X4

Related Codes

Parent Code

T39 Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics

Related Codes in T39

T39 Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics T39.0 Poisoning by, adverse effect of and underdosing of salicylates T39.01 Poisoning by, adverse effect of and underdosing of aspirin T39.011 Poisoning by aspirin, accidental (unintentional) T39.012 Poisoning by aspirin, intentional self-harm T39.013 Poisoning by aspirin, assault T39.014 Poisoning by aspirin, undetermined T39.015 Adverse effect of aspirin T39.016 Underdosing of aspirin T39.09 Poisoning by, adverse effect of and underdosing of other salicylates T39.091 Poisoning by salicylates, accidental (unintentional) T39.092 Poisoning by salicylates, intentional self-harm T39.093 Poisoning by salicylates, assault T39.094 Poisoning by salicylates, undetermined T39.095 Adverse effect of salicylates T39.096 Underdosing of salicylates T39.1 Poisoning by, adverse effect of and underdosing of 4-Aminophenol derivatives T39.1X Poisoning by, adverse effect of and underdosing of 4-Aminophenol derivatives T39.1X1 Poisoning by 4-Aminophenol derivatives, accidental (unintentional) T39.1X2 Poisoning by 4-Aminophenol derivatives, intentional self-harm
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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