Toxic effect of chlorine gas

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

T59.4X1 Toxic effect of chlorine gas, accidental (unintentional) (also a header)
T59.4X2 Toxic effect of chlorine gas, intentional self-harm (also a header)
T59.4X3 Toxic effect of chlorine gas, assault (also a header)
T59.4X4 Toxic effect of chlorine gas, undetermined (also a header)

This code requires a seventh character. See the rule below.

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Toxic effect of chlorine gas

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from T59 Toxic effect of other gases, fumes and vapors

Seventh character required

The appropriate 7th character is to be added to each code from category T59

Excludes1 - never coded here

chlorofluorocarbons (T53.5)

Includes

aerosol propellants

Inherited from the T51-T65 section Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

Excludes1 - never coded here

contact with and (suspected) exposure to toxic substances (Z77.-)

Use additional code

code(s):
for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
personal history of foreign body fully removed (Z87.821)
to identify any retained foreign body, if applicable (Z18.-)

Note

When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.