Unspecified effects of high altitude
Requires 7th character
T70.20 requires a 7th character to be reported. Choose a complete code below.
Inclusion terms
Includes (from T70)
- Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Excludes2
Not included here — may be reported together when both conditions exist.
Use additional code
Add a code to identify the following, if applicable.
Code also
An additional code may be needed.
- , if applicable, place of occurrence, such as: (from T70)
- highway rest stop (Y92.523) (from T70)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-) (from T70)
- service areas as the place of occurrence of the external cause (Y92.52-) (from T70)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-) (from T70)
- transport vehicle as the place of occurrence of the external cause (Y92.81-) (from T70)
7th character
This code requires a 7th character (defined at T70). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Also known as
- Disease, diseased, altitude
- High, altitude effects
- Sickness, altitude
Parent code
- T70.2Other and unspecified effects of high altitudeNeeds 7th char
More specific codes T70.20
Related codes
- T70.29Other effects of high altitudeNeeds 7th char