T70.20
Billable codeUnspecified effects of high altitude
The ICD-10 code for unspecified effects of high altitude is T70.20.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T70.29Other effects of high altitude
- T70.20Unspecified effects of high altitude