T40.0X6

Non-billable

Underdosing of opium

T40.0X6 is the ICD-10-CM code for Underdosing of opium. It is a non-billable category code — use a more specific child code such as T40.0X6A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T40.0X
Subcodes
3
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T40.0X6?
T40.0X6 is the ICD-10-CM code for "Underdosing of opium". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T40.0X6 a billable code?
No — T40.0X6 is a non-billable header code. Use a more specific child code (such as T40.0X6A) for billing.
What are the subcodes of T40.0X6?
T40.0X6 has 3 more specific child codes, including T40.0X6A, T40.0X6D, T40.0X6S.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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