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T63.063 vs T63.064

T63.063 (Toxic effect of venom of other North and South American snake, assault) compared with T63.064 (Toxic effect of venom of other North and South American snake, undetermined), from the official CMS tabular data. T63.063 and T63.064 code the same substance (Copperhead) with a different intent.

Relationship

Informational

Drug table relationship

T63.063
Toxic effect of venom of other North and South American snake, assault
↔
T63.064
Toxic effect of venom of other North and South American snake, undetermined

Same substance, different circumstance of exposure.

Same substance — undetermined intent (Copperhead)

Accidental poisoning, intentional self-harm, assault, undetermined intent, adverse effect and underdosing are mutually exclusive columns — exactly one applies to a given encounter.

Source: CMS Table of Drugs and Chemicals

Can these codes be reported together?

Same substance, different intent. T63.063 and T63.064 code the same substance (Copperhead) 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

T63.063Toxic effect of venom of other North and South American snake, assaultT63.064Toxic effect of venom of other North and South American snake, undetermined
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 venom of other North and South American snake, assault is a non-billable ICD-10-CM category code (T63.063).Toxic effect of venom of other North and South American snake, undetermined is a non-billable ICD-10-CM category code (T63.064).
7th characterThe appropriate 7th character is to be added to each code from category T63The appropriate 7th character is to be added to each code from category T63
Includes
bite or touch of venomous animal
pricked or stuck by thorn or leaf
bite or touch of venomous animal
pricked or stuck by thorn or leaf
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)
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)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources