W57.XXXS

W57.XXXS: Bitten or stung by nonvenomous insect and other nonvenomous arthropods, sequela

Billable / specific codeICD-10-CMPOA exempt

W57.XXXS is a billable, specific ICD-10-CM code for bitten or stung by nonvenomous insect and other nonvenomous arthropods, sequela. It is valid for submission on a claim.

Check W57.XXXS with the rest of the claim: free scrubber

7th character "S": sequela

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

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

Excludes1 inherited from the categories above W57.XXXS

A category’s note binds every code beneath it.

Written on W57: Bitten or stung by nonvenomous insect and other nonvenomous arthropods

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

Risk adjustment

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

Medicare coverage

W57.XXXS is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
A58747Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
A58761Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

Code history

Unchanged in every release from FY2024 to FY2027.