10ICD Code Hub

T42.3X

Header — not billable

Poisoning by, adverse effect of and underdosing of barbiturates

The ICD-10 code for poisoning by, adverse effect of and underdosing of barbiturates is T42.3X.

T42.3X is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under T42.3X