ICD-10-CM › S00-T88 › T51-T65 › T56.5X Toxic effects of zinc and its compounds › T56.5X1

T56.5X1

Toxic effect of zinc and its compounds, accidental (unintentional)

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 3 more specific codes instead:

  • T56.5X1A Toxic effect of zinc and its compounds, accidental (unintentional), initial encounter
  • T56.5X1D Toxic effect of zinc and its compounds, accidental (unintentional), subsequent encounter
  • T56.5X1S Toxic effect of zinc and its compounds, accidental (unintentional), sequela

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

What has happened to this code

Every change the publisher made, from 2014 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.

  1. FY2014 Added to the draft code set draft Toxic effect of zinc and its compounds, accidental (unintentional)

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 T56 Toxic effect of metals

Seventh character required

  • The appropriate 7th character is to be added to each code from category T56

Excludes1 - never coded here

  • arsenic and its compounds (T57.0)
  • manganese and its compounds (T57.2)

Use additional code

  • code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-)

Includes

  • toxic effects of fumes and vapors of metals
  • toxic effects of metals from all sources, except medicinal substances

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.

Codes in the same group

CodeDescriptionStatus
T56.5X2 Toxic effect of zinc and its compounds, intentional self-harm Not billable
T56.5X3 Toxic effect of zinc and its compounds, assault Not billable
T56.5X4 Toxic effect of zinc and its compounds, undetermined Not billable