2019/2020

  1. ICD-10-CM Codes
    2. ›
  2. V00-Y99 External causes of morbidity
    3. ›
  3. W20-W49 Exposure to inanimate mechanical forces
    4. ›
  4. W28- Contact with powered lawn mower
    5. ›

2020 ICD-10-CM Diagnosis Code W28

Contact with powered lawn mower

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • W28 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM W28 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of W28 - other international versions of ICD-10 W28 may differ.
ICD-10-CM Coding Rules
  • W28 describes the circumstance causing an injury, not the nature of the injury.
Applicable To
  • Powered lawn mower (commercial) (residential)
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as W28. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • contact with nonpowered lawn mower (
    ICD-10-CM Diagnosis Code W27.1

    Contact with garden tool

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Contact with hoe
    • Contact with nonpowered lawn mower
    • Contact with pitchfork
    • Contact with rake
    W27.1
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (W28) and the excluded code together.
  • exposure to electric current (
    ICD-10-CM Diagnosis Code W86
    • W86 Exposure to other specified electric current
      • W86.0 Exposure to domestic wiring and appliances
        • W86.0XXA Exposure to domestic wiring and appliances, i...
        • W86.0XXD Exposure to domestic wiring and appliances, s...
        • W86.0XXS Exposure to domestic wiring and appliances, s...
      • W86.1 Exposure to industrial wiring, appliances and...
        • W86.1XXA Exposure to industrial wiring, appliances and...
        • W86.1XXD Exposure to industrial wiring, appliances and...
        • W86.1XXS Exposure to industrial wiring, appliances and...
      • W86.8 Exposure to other electric current
        • W86.8XXA Exposure to other electric current, initial e...
        • W86.8XXD Exposure to other electric current, subsequen...
        • W86.8XXS …… sequela
    W86.-
    )
The following code(s) above W28 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to W28:
  • V00-Y99
    2020 ICD-10-CM Range V00-Y99

    External causes of morbidity

    Note
    • This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.
    External causes of morbidity
  • W20-W49
    2020 ICD-10-CM Range W20-W49

    Exposure to inanimate mechanical forces

    Type 1 Excludes
    • assault (X92-Y09)
    • contact or collision with animals or persons (W50-W64)
    • exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
    • intentional self-harm (X71-X83)
    Exposure to inanimate mechanical forces
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to W28:
  • Type 1 Excludes: W29.3
    , W31.82
    ICD-10-CM Diagnosis Code W29.3

    Contact with powered garden and outdoor hand tools and machinery

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Contact with chainsaw
    • Contact with edger
    • Contact with garden cultivator (tiller)
    • Contact with hedge trimmer
    • Contact with other powered garden tool
    Type 1 Excludes
    • contact with powered lawn mower (W28)
    ICD-10-CM Diagnosis Code W31.82

    Contact with other commercial machinery

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Contact with commercial electric fan
    • Contact with commercial kitchen appliances
    • Contact with commercial powered dryer (clothes) (powered) (spin)
    • Contact with commercial washing-machine
    • Contact with commercial sewing machine
    Type 1 Excludes
    • contact with household machinery (W29.-)
    • contact with powered lawn mower (W28)

External Cause Index entries containing back-references to W28:
  • Contact (accidental)
    • with
      • lawnmower (powered) (ridden) W28
      • tool W27.8
        ICD-10-CM Diagnosis Code W27.8

        Contact with other nonpowered hand tool

          2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
        Applicable To
        • Contact with nonpowered sewing machine
        • Contact with shovel
        • powered W29.8
          ICD-10-CM Diagnosis Code W29.8

          Contact with other powered hand tools and household machinery

            2016 2017 2018 - Revised Code 2019 2020 Non-Billable/Non-Specific Code
          Applicable To
          • Contact with do-it-yourself tool NOS
          • lawn mower W28

ICD-10-CM Codes Adjacent To W28
W27.4XXD …… subsequent encounter
W27.4XXS …… sequela
W27.5 Contact with paper-cutter
W27.5XXA …… initial encounter
W27.5XXD …… subsequent encounter
W27.5XXS …… sequela
W27.8 Contact with other nonpowered hand tool
W27.8XXA …… initial encounter
W27.8XXD …… subsequent encounter
W27.8XXS …… sequela
W28 Contact with powered lawn mower
W28.XXXA Contact with powered lawn mower, initial encounter
W28.XXXD Contact with powered lawn mower, subsequent encounter
W28.XXXS Contact with powered lawn mower, sequela
W29 Contact with other powered hand tools and household machinery
W29.0 Contact with powered kitchen appliance
W29.0XXA …… initial encounter
W29.0XXD …… subsequent encounter
W29.0XXS …… sequela
W29.1 Contact with electric knife
W29.1XXA …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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