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T70.9

T70.9: Effect of air pressure and water pressure, unspecified

Non-billable headerICD-10-CM

T70.9 is a non-billable header ICD-10-CM code for effect of air pressure and water pressure, unspecified. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T70

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Effect, adverse›air pressure
  • Effect, adverse›atmospheric pressure
  • Effect, adverse›water pressure NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T70.9

3 child codes. Green means billable.

Other codes under T70

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.