T42.1X5A

Billable

Adverse effect of iminostilbenes, initial encounter

T42.1X5A is the ICD-10-CM code for Adverse effect of iminostilbenes, initial encounter. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
S00-T88
Parent
T42.1X5
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

What this means — in plain language

MedlinePlus · NIH

Most of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies. What is a drug interaction? A drug interaction is a change in the way a drug acts in the body when taken with certain other drugs, foods, or supplements…

Read more about Drug Reactions at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T42.1X5A?
T42.1X5A is the ICD-10-CM code for "Adverse effect of iminostilbenes, initial encounter". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T42.1X5A a billable code?
Yes — T42.1X5A is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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