MCMedicalCodingSoftware
T63.001

T63.001: Toxic effect of unspecified snake venom, accidental (unintentional)

Non-billable headerICD-10-CM

T63.001 is a non-billable header ICD-10-CM code for toxic effect of unspecified snake venom, accidental (unintentional). It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T63

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Toxic effect of unspecified snake venom NOS

Excludes2 inherited from the categories above T63.001

Not part of this code, but both may be coded when both are present.

Written on T63: Toxic effect of contact with venomous animals and plants

  • ingestion of toxic animal or plant (T61.-, T62.-)

Other codes that can never be billed with T63.001

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • W64Exposure to other animate mechanical forces
  • W64.XXXAExposure to other animate mechanical forces, initial encounter
  • W64.XXXDExposure to other animate mechanical forces, subsequent encounter
  • W64.XXXSExposure to other animate mechanical forces, sequela
  • W56Contact with nonvenomous marine animal

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T63.001

3 child codes. Green means billable.

Other codes under T63.00

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.