T70

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Effects of air pressure and water pressure

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T66-T78 Parent Instructions

Code Also
  • , 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-)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T66-T78Other and unspecified effects of external causes (T66-T78)
T70Effects of air pressure and water pressureNot billable
T70.0Otitic barotraumaBillable
T70.1Sinus barotraumaBillable
T70.2Other and unspecified effects of high altitudeSubcodes
T70.3Caisson disease [decompression sickness]Billable
T70.4Effects of high-pressure fluidsBillable
T70.8Other effects of air pressure and water pressureBillable
T70.9Effect of air pressure and water pressure, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T70:

blockT66-T78
Other and unspecified effects of external causes (T66-T78)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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