ICD-10-CM · FY 2026 APRIL UPDATE
W55.1
Contact with horse
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| W55.11 | Bitten by horse | Category |
| W55.11XA | Bitten by horse, initial encounter | Billable |
| W55.11XD | Bitten by horse, subsequent encounter | Billable |
| W55.11XS | Bitten by horse, sequela | Billable |
| W55.12 | Struck by horse | Category |
| W55.12XA | Struck by horse, initial encounter | Billable |
| W55.12XD | Struck by horse, subsequent encounter | Billable |
| W55.12XS | Struck by horse, sequela | Billable |
| W55.19 | Other contact with horse | Category |
| W55.19XA | Other contact with horse, initial encounter | Billable |
| W55.19XD | Other contact with horse, subsequent encounter | Billable |
| W55.19XS | Other contact with horse, sequela | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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