T40.5

Non-billable

Poisoning by, adverse effect of and underdosing of cocaine

T40.5 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of cocaine. It is a non-billable category code — use a more specific child code such as T40.5X for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T40
Subcodes
1
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

What is cocaine? Cocaine is a very addictive drug that is made from leaves of the coca plant found in South America. It is mostly available as an illegal drug that some people use to get high. In rare cases, it is also used as a prescription drug for for anesthesia during certain surgeries. As a street (illegal) drug, cocaine is usually a fine, white, crystal powder. Street dealers sometimes mix it with cornstarch,…

Read more about Cocaine at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T40.5?
T40.5 is the ICD-10-CM code for "Poisoning by, adverse effect of and underdosing of cocaine". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T40.5 a billable code?
No — T40.5 is a non-billable header code. Use a more specific child code (such as T40.5X) for billing.
What are the subcodes of T40.5?
T40.5 has 1 more specific child code, including T40.5X.

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

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