T40.69
⚠ Non-billable (Header)Poisoning by, adverse effect of and underdosing of other narcotics
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-)
Child Codes (6)
Clinical Description
ICD-10-CM code T40.69 represents poisoning by, adverse effect of and underdosing of other narcotics. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 6-character code at the 5th level of specificity. There are 6 more specific child codes under T40.69.
Frequently Asked Questions
What is ICD-10 code T40.69?
ICD-10-CM code T40.69 is "Poisoning by, adverse effect of and underdosing of other narcotics". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T40.69 a billable ICD-10 code?
No, T40.69 is a non-billable header code. A more specific child code must be used for billing.
Can T40.69 be coded with other codes?
T40.69 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T40.6
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)