T70.29XA
T70.29XA: Other effects of high altitude, initial encounter
Billable / specific codeICD-10-CM
T70.29XA is a billable, specific ICD-10-CM code for other effects of high altitude, initial encounter. It is valid for submission on a claim.
Check T70.29XA with the rest of the claim: free scrubber7th character "A": initial encounter
The appropriate 7th character is to be added to each code from category T70
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Alpine sickness
- Anoxia due to high altitude
- Barotrauma NOS
- Hypobaropathy
- Mountain sickness
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
T70.29XA is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A57326Billing and Coding: Electrocardiograms
Code history
Unchanged in every release from FY2024 to FY2027.