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T56.92 vs T56.93

T56.92 (Toxic effect of unspecified metal, intentional self-harm) compared with T56.93 (Toxic effect of unspecified metal, assault), from the official CMS tabular data. T56.92 and T56.93 code the same substance (Metals) with a different intent.

Can these codes be reported together?

Same substance, different intent. T56.92 and T56.93 code the same substance (Metals) with a different circumstance of exposure.

From the CMS Table of Drugs and Chemicals: accidental poisoning, intentional self-harm, assault, undetermined intent, adverse effect and underdosing are mutually exclusive columns — only one of them applies to a given encounter.

Side by side

T56.92Toxic effect of unspecified metal, intentional self-harmT56.93Toxic effect of unspecified metal, assault
Billing statusNon-billable headerNon-billable header
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionToxic effect of unspecified metal, intentional self-harm is a non-billable ICD-10-CM category code (T56.92).Toxic effect of unspecified metal, assault is a non-billable ICD-10-CM category code (T56.93).
7th characterThe appropriate 7th character is to be added to each code from category T56The appropriate 7th character is to be added to each code from category T56
Includes
toxic effects of fumes and vapors of metals
toxic effects of metals from all sources, except medicinal substances
toxic effects of fumes and vapors of metals
toxic effects of metals from all sources, except medicinal substances
Use additional code
code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-)
code(s):
for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-)
code(s):
for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources