Is T40.495 a billable code?
No. T40.495 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
T40.495: Adverse effect of other synthetic narcotics
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T40.495 groups related diagnoses under adverse effect of other synthetic narcotics. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T40.495
- T40.495AAdverse effect of other synthetic narcotics, initial encounter
- T40.495DAdverse effect of other synthetic narcotics, subsequent encounter
- T40.495SAdverse effect of other synthetic narcotics, sequela
Other codes in T40.49 Poisoning by, adverse effect of and underdosing of other synthetic narcotics
- T40.491Poisoning by other synthetic narcotics, accidental (unintentional)header
- T40.492Poisoning by other synthetic narcotics, intentional self-harmheader
- T40.493Poisoning by other synthetic narcotics, assaultheader
- T40.494Poisoning by other synthetic narcotics, undeterminedheader
- T40.496Underdosing of other synthetic narcoticsheader
T40.495 questions
What does T40.495 mean?
T40.495 is the ICD-10-CM code for Adverse effect of other synthetic narcotics. 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.