All ICD10 Codes

W49

Non-Billable
ChapterV00–Y99
Rankcategory
Description

Exposure to other inanimate mechanical forces

About ICD-10-CM code W49

W49 is the ICD-10-CM diagnosis code for Exposure to other inanimate mechanical forces. It sits in V00-Y99 External Causes of Morbidity, within Exposure to inanimate mechanical forces (W20-W49). W49 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (1 billable, 1 non-billable)
W49.0Item causing external constrictionhas subcodesW49.9Exposure to other inanimate mechanical forces
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

W20-W49 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • 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)

Instructional Notes

Includes
  • exposure to abnormal gravitational [G] forces
  • exposure to inanimate mechanical forces NEC
Excludes1(Not coded here. Use a different code.)
  • exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)
W49Exposure to other inanimate mechanical forcesNot billable
W49.0Item causing external constrictionSubcodes
W49.9Exposure to other inanimate mechanical forcesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W49:

blockW20-W49
Exposure to inanimate mechanical forces (W20-W49)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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