W94.11
W94.11: Exposure to residence or prolonged visit at high altitude
Non-billable headerICD-10-CM
W94.11 is a non-billable header ICD-10-CM code for exposure to residence or prolonged visit at high altitude. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category W94
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with W94.11
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Alpine sickness
- Altitude sickness
- Andes disease
- Mountain sickness
- Range disease
- Disease›Andes
- Disease›range
- Sickness›alpine
- Sickness›mountain
- Prolonged›stay in›high altitude as cause of anoxia, barodontalgia, barotitis or hypoxia
- Air›pressure›low, prolonged›due to residence or long visit at high altitude
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead W94.11
3 child codes. Green means billable.