Contact with dog
In Exposure to animate mechanical forces (W50-W64), chapter 20: External Causes of Morbidity
9 billable codes under W54: none are a CC or MCC; none map to an HCC.
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Instructional notes
Includes: conditions that are coded here
- contact with saliva, feces or urine of dog
Also applies, from Exposure to animate mechanical forces (W50-W64)
These notes sit on W50-W64 and apply to every code under it, including W54.
Excludes1: not coded here, use a different code
- Toxic effect of contact with venomous animals and plants (T63.-)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.
- General External Cause Coding Guidelines (page 88)
- Place of Occurrence Guideline (page 89)
- Activity Code (page 89)
- Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
- If the Reporting Format Limits the Number of External Cause Codes (page 90)
- Multiple External Cause Coding Guidelines (page 90)
- Child and Adult Abuse Guideline (page 90)
- Unknown or Undetermined Intent Guideline (page 91)
All codes under W54
W54 can't be used on a claim. Pick a billable code below; grey headings group them.
- W54.0Bitten by dog
- W54.0XXABitten by dog, initial encounter
- W54.0XXDBitten by dog, subsequent encounter
- W54.0XXSBitten by dog, sequela
- W54.1Struck by dog
- W54.1XXAStruck by dog, initial encounter
- W54.1XXDStruck by dog, subsequent encounter
- W54.1XXSStruck by dog, sequela
- W54.8Other contact with dog
- W54.8XXAOther contact with dog, initial encounter
- W54.8XXDOther contact with dog, subsequent encounter
- W54.8XXSOther contact with dog, sequela
W54 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to W54
Notes on these codes point to W54.
- W55 Excludes1: bitten or struck by dog (W54)
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.