T40.496
Billable codeUnderdosing of other synthetic narcotics
The ICD-10 code for underdosing of other synthetic narcotics is T40.496.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T40.491Poisoning by other synthetic narcotics, accidental (unintentional)
- T40.492Poisoning by other synthetic narcotics, intentional self-harm
- T40.493Poisoning by other synthetic narcotics, assault
- T40.494Poisoning by other synthetic narcotics, undetermined
- T40.495Adverse effect of other synthetic narcotics
- T40.496Underdosing of other synthetic narcotics