T70.2 — Other and unspecified effects of high altitude
Is T70.2 billable?
No — T70.2 is a non-billable header code. T70.2 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath T70.2.
Billable codes under this header
- T70.20XAUnspecified effects of high altitude, initial encounter
- T70.20XDUnspecified effects of high altitude, subsequent encounter
- T70.20XSUnspecified effects of high altitude, sequela
- T70.29XAOther effects of high altitude, initial encounter
- T70.29XDOther effects of high altitude, subsequent encounter
- T70.29XSOther effects of high altitude, sequela
T70.2 at a glance
| Code | T70.2 |
|---|---|
| Description | Other and unspecified effects of high altitude |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of T70.2, but a patient may have both at the same time. When documentation supports it, T70.2 and the excluded code may both be reported.
- polycythemia due to high altitude (D75.1)
Use additional code — inherited from Chapter 19
Report an additional code alongside T70.2 to fully describe the condition. T70.2 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T70.2, but a patient may have both at the same time. When documentation supports it, T70.2 and the excluded code may both be reported.
Code also — inherited from T66-T78
Two codes may be needed to describe the condition fully. Whether T70.2 is sequenced first depends on the reason for the encounter.
- , if applicable, place of occurrence, such as:
- highway rest stop (Y92.523)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
- service areas as the place of occurrence of the external cause (Y92.52-)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
- transport vehicle as the place of occurrence of the external cause (Y92.81-)
What codes fall under T70.2? (2)
How long has T70.2 existed?
T70.2 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the T70 family? (6)
- T70.0Otitic barotraumanot billable
- T70.1Sinus barotraumanot billable
- T70.3Caisson disease [decompression sickness]not billable
- T70.4Effects of high-pressure fluidsnot billable
- T70.8Other effects of air pressure and water pressurenot billable
- T70.9Effect of air pressure and water pressure, unspecifiednot billable