T70.2
Header — not billableOther and unspecified effects of high altitude
The ICD-10 code for other and unspecified effects of high altitude is T70.2.
T70.2 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- polycythemia due to high altitude (D75.1)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •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.
Child codes under T70.2
Related codes in this category
- T70.0Otitic barotrauma
- T70.1Sinus barotrauma
- T70.3Caisson disease [decompression sickness]
- T70.4Effects of high-pressure fluids
- T70.8Other effects of air pressure and water pressure
- T70.9Effect of air pressure and water pressure, unspecified
- T70.2Other and unspecified effects of high altitudenon-billable header