ICD-10-CM W57: Bitten or stung by nonvenomous insect and other nonvenomous arthropods

ICD-10-CM Diagnosis Code (2025)

Official Description for W57

Bitten or stung by nonvenomous insect and other nonvenomous arthropods

Coding Notes & Guidelines for W57

Excludes1: Not Coded Here

contact with venomous insects and arthropods (T63.2-, T63.3-, T63.4-)

7th Character Guidance

The appropriate 7th character is to be added to code W57

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

About ICD-10-CM Code W57 (Bitten or stung by nonvenomous insect and other nonvenomous arthropods)

ICD-10-CM code W57 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM W57 became effective on October 1, 2024.

This page provides detailed information about W57 - Bitten or stung by nonvenomous insect and other nonvenomous arthropods. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Bitten or stung by nonvenomous insect and other nonvenomous arthropods.