Is T40.412 a billable code?
No. T40.412 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
T40.412: Poisoning by fentanyl or fentanyl analogs, intentional self-harm
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T40.412 groups related diagnoses under poisoning by fentanyl or fentanyl analogs, intentional self-harm. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T40.412
- T40.412APoisoning by fentanyl or fentanyl analogs, intentional self-harm, initial encounter
- T40.412DPoisoning by fentanyl or fentanyl analogs, intentional self-harm, subsequent encounter
- T40.412SPoisoning by fentanyl or fentanyl analogs, intentional self-harm, sequela
Other codes in T40.41 Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogs
- T40.411Poisoning by fentanyl or fentanyl analogs, accidental (unintentional)header
- T40.413Poisoning by fentanyl or fentanyl analogs, assaultheader
- T40.414Poisoning by fentanyl or fentanyl analogs, undeterminedheader
- T40.415Adverse effect of fentanyl or fentanyl analogsheader
- T40.416Underdosing of fentanyl or fentanyl analogsheader
T40.412 questions
What does T40.412 mean?
T40.412 is the ICD-10-CM code for Poisoning by fentanyl or fentanyl analogs, intentional self-harm. 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.