Is T42.1X6 a billable code?
No. T42.1X6 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T42.1X6: Underdosing of iminostilbenes
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T42.1X6 groups related diagnoses under underdosing of iminostilbenes. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T42.1X6
- T42.1X6AUnderdosing of iminostilbenes, initial encounter
- T42.1X6DUnderdosing of iminostilbenes, subsequent encounter
- T42.1X6SUnderdosing of iminostilbenes, sequela
Other codes in T42.1X Poisoning by, adverse effect of and underdosing of iminostilbenes
T42.1X6 questions
What does T42.1X6 mean?
T42.1X6 is the ICD-10-CM code for Underdosing of iminostilbenes. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.