Is T57.91 a billable code?
No. T57.91 is a header code that groups 0 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T57.91: Toxic effect of unspecified inorganic substance, accidental (unintentional)
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T57.91 groups related diagnoses under toxic effect of unspecified inorganic substance, accidental (unintentional). It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Other codes in T57.9 Toxic effect of unspecified inorganic substance
T57.91 questions
What does T57.91 mean?
T57.91 is the ICD-10-CM code for Toxic effect of unspecified inorganic substance, accidental (unintentional). 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.