10ICD Code Hub

T59.4X

Header — not billable

Toxic effect of chlorine gas

The ICD-10 code for toxic effect of chlorine gas is T59.4X.

T59.4X is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Documentation support

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

Child codes under T59.4X