T70.20XABillable
Unspecified effects of high altitude, initial encounter
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T70
- Effective date
- October 1, 2026
Related codes in category T70
T70Effects of air pressure and water pressureT70.0Otitic barotraumaT70.0XXAOtitic barotrauma, initial encounterYesT70.0XXDOtitic barotrauma, subsequent encounterYesT70.0XXSOtitic barotrauma, sequelaYesT70.1Sinus barotraumaT70.1XXASinus barotrauma, initial encounterYesT70.1XXDSinus barotrauma, subsequent encounterYesT70.1XXSSinus barotrauma, sequelaYesT70.2Other and unspecified effects of high altitudeT70.20Unspecified effects of high altitudeT70.20XDUnspecified effects of high altitude, subsequent encounterYes
Frequently asked questions
What is ICD-10 code T70.20XA?
T70.20XA is an ICD-10-CM diagnosis code for Unspecified effects of high altitude, initial encounter.
Is T70.20XA a billable code?
Yes. T70.20XA is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is T70.20XA in?
T70.20XA falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T70.20XA become effective?
T70.20XA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T70.20XA?
T70.20XA belongs to category T70, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.