MCMedicalCodingSoftware
T63.81

T63.81: Toxic effect of contact with venomous frog

Non-billable headerICD-10-CM

T63.81 is a non-billable header ICD-10-CM code for toxic effect of contact with venomous frog. 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

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • contact with nonvenomous frog (W62.0)

Excludes2 inherited from the categories above T63.81

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 T63.81

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

  • W62Contact with nonvenomous amphibians
  • 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 T63.81

4 child codes. Green means billable.

Other codes under T63.8

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.