2026 ICD-10-CM Diagnosis Code W59Contact with other nonvenomous reptiles

ICD-10-CM Codes›V01–Y99›W50-W64›W59

ICD-10-CM W59
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

W59 is a non-billable ICD-10-CM category code for contact with other nonvenomous reptiles, so it cannot be submitted on claims. Use a more specific code from this category instead, such as W59.01XA, W59.01XD, W59.01XS, and W59.02XA.

Code Identity

ICD-10-CM Code
W59
Billable Status
No — Non-Billable Category
Code Describes
Contact with other nonvenomous reptiles
Chapter
W50-W64
Exposure to animate mechanical forces

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionW50-W64Exposure to animate mechanical forces
CategoryW59Contact with other nonvenomous reptiles
This CodeW59Contact with other nonvenomous reptiles

Specific Coding for Contact with other nonvenomous reptilesOverview

Non-specific codes like W59 require more characters. Use one of these billable codes instead:

  • W59.0 for Contact with nonvenomous lizards

  • W59.01 for Bitten by nonvenomous lizards

  • W59.02 for Struck by nonvenomous lizards

  • W59.09 for Other contact with nonvenomous lizards

  • W59.1 for Contact with nonvenomous snakes

  • W59.11 for Bitten by nonvenomous snake

  • W59.12 for Struck by nonvenomous snake

  • W59.13 for Crushed by nonvenomous snake

  • W59.19 for Other contact with nonvenomous snake

  • W59.2 for Contact with turtles

  • W59.21 for Bitten by turtle

  • W59.22 for Struck by turtle

  • W59.29 for Other contact with turtle

  • W59.8 for Contact with other nonvenomous reptiles

  • W59.81 for Bitten by other nonvenomous reptiles

  • W59.82 for Struck by other nonvenomous reptiles

  • W59.83 for Crushed by other nonvenomous reptiles

  • W59.89 for Other contact with other nonvenomous reptiles

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

7th Character Note

  • The appropriate 7th character is to be added to each code from category W59

7th Character

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About W59Overview

Is W59 (Contact with other nonvenomous reptiles) a billable code?

No. This is a category header that groups the codes for contact with other nonvenomous reptiles, and headers cannot be submitted on claims. Claims for contact with other nonvenomous reptiles need a more specific code from this category, such as W59.01XA, W59.01XD, and W59.01XS.