ICD10BillableValid for clinical use

ICD-10 Code W28: Contact with powered lawn mower

W28 is a billable ICD-10 diagnosis code used to classify Contact with powered lawn mower in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

When is it used?

  • May be used when a clinician documents contact with powered lawn mower in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
20External causes of morbidity (V00-Y99)
block
V00-X58Accidents
block
W00-X58Other external causes of accidental injury
block
W20-W49Exposure to inanimate mechanical forces
currentW20-W49

Official coding notes

Inclusion terms
  • Powered lawn mower (commercial) (residential)
Excludes1 (do not code together)
  • contact with nonpowered lawn mower (W27.1)
Excludes2 (may code together if documented)
  • exposure to electric current (W86.-)
7th character notes
  • The appropriate 7th character is to be added to code W28
  • initial encounter
  • subsequent encounter
  • sequela

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Sibling codes

W20Struck by thrown, projected or falling objectW21Striking against or struck by sports equipmentW22Striking against or struck by other objectsW23Caught, crushed, jammed or pinched in or between objectsW24Contact with lifting and transmission devices, not elsewhere classifiedW25Contact with sharp glassbillableW26Contact with other sharp objectsW27Contact with nonpowered hand toolW29Contact with other powered hand tools and household machineryW30Contact with agricultural machineryW31Contact with other and unspecified machineryW32Accidental handgun discharge and malfunctionW33Accidental rifle, shotgun and larger firearm discharge and malfunctionW34Accidental discharge and malfunction from other and unspecified firearms and gunsW35Explosion and rupture of boilerbillableW36Explosion and rupture of gas cylinderW37Explosion and rupture of pressurized tire, pipe or hoseW38Explosion and rupture of other specified pressurized devicesbillableW39Discharge of fireworkbillableW40Explosion of other materialsW42Exposure to noiseW44Foreign body entering into or through a natural orificeW45Foreign body or object entering through skinW46Contact with hypodermic needleW49Exposure to other inanimate mechanical forces

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
W28

Common synonyms

Contact with powered lawn mower

Frequently asked questions

Code details

CodeW28
SystemICD10
Display nameContact with powered lawn mower
ChapterExternal causes of morbidity (V00-Y99)
BlockExposure to inanimate mechanical forces

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code W28 for Contact with powered lawn mower | HealthAssure