Toxic effect of cycloparaffins, assault, subsequent encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2027 onwards.

What has happened to this code

Every change the publisher made, from 2027 to now.

FY2027 Added to the code set Toxic effect of cycloparaffins, assault, subsequent encounter

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 T52 Toxic effect of organic solvents

Seventh character required

The appropriate 7th character is to be added to each code from category T52

Excludes1 - never coded here

halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)

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.

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Naphthenes
Cyclohexane
Cycloalkanes
Hexamethylene
Cycloparaffins
Methyl > cyclohexane

Codes in the same group

Code	Description	Status
T52.823A	Toxic effect of cycloparaffins, assault, initial encounter	Valid
T52.823S	Toxic effect of cycloparaffins, assault, sequela	Valid