ICD-10-CM › V00-Y99 › W20-W49 › W49 Exposure to other inanimate... › W49.0

W49.0

Item causing external constriction

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 5 more specific codes instead:

  • W49.01 Hair causing external constriction (also a header)
  • W49.02 String or thread causing external constriction (also a header)
  • W49.03 Rubber band causing external constriction (also a header)
  • W49.04 Ring or other jewelry causing external constriction (also a header)
  • W49.09 Other specified item causing external constriction (also a header)

This code requires a seventh character. See the rule below.

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Item causing external constriction

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from W49 Exposure to other inanimate mechanical forces

Seventh character required

  • The appropriate 7th character is to be added to each code from category W49

Excludes1 - never coded here

  • exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)

Includes

  • exposure to abnormal gravitational [G] forces
  • exposure to inanimate mechanical forces NEC

Inherited from the W20-W49 section Exposure to inanimate mechanical forces (W20-W49)

Excludes1 - never coded here

  • assault (X92-Y09)
  • contact or collision with animals or persons (W50-W64)
  • intentional self-harm (X71-X83)

Codes in the same group

CodeDescriptionStatus
W49.9 Exposure to other inanimate mechanical forces Not billable