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ICD-10-CM Codes
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V00-Y99
External causes of morbidity
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W20-W49
Exposure to inanimate mechanical forces
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W49-
Exposure to other inanimate mechanical forces
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2019 ICD-10-CM Diagnosis Code W49.9
Exposure to other inanimate mechanical forces
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- W49.9 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2019 edition of ICD-10-CM W49.9 became effective on October 1, 2018.
- This is the American ICD-10-CM version of W49.9 - other international versions of ICD-10 W49.9 may differ.
ICD-10-CM Coding Rules
- W49.9 describes the circumstance causing an injury, not the nature of the injury.
The following code(s) above
W49.9 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
W49.9:
- V00-Y99
2019 ICD-10-CM Range V00-Y99
External causes of morbidityNote- 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.
- W20-W49
2019 ICD-10-CM Range W20-W49
Exposure to inanimate mechanical forcesType 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)
- W49
ICD-10-CM Diagnosis Code W49
Exposure to other inanimate mechanical forces
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Includes- exposure to abnormal gravitational [G] forces
- exposure to inanimate mechanical forces NEC
Type 1 Excludes- exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
- 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
- Exposure (to) X58
ICD-10-CM Diagnosis Code X58
Exposure to other specified factors
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- mechanical forces NEC W49.9
- waves
- G-forces W49.9 (abnormal)
- gravitational forces W49.9 (abnormal)
- high-pressure jet W49.9 (hydraulic) (pneumatic)
- hydraulic jet W49.9
- inanimate mechanical force W49.9
- jet, high-pressure W49.9 (hydraulic) (pneumatic)
- pneumatic jet W49.9
- vibration W49.9
- Infrasound waves W49.9 (causing injury)
- Vibration W49.9 (causing injury)
ICD-10-CM Codes Adjacent To W49.9
W49.04 Ring or other jewelry causing external constriction
W49.09 Other specified item causing external constriction
W49.9
Exposure to other inanimate mechanical forces
W50 Accidental hit, strike, kick, twist, bite or scratch by another person
W50.0 Accidental hit or strike by another person
W50.1 Accidental kick by another person
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
