ICD10

ICD-10 Code T70: Effects of air pressure and water pressure

T70 is an ICD-10 diagnosis entry used to group records related to Effects of air pressure and water pressure. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents effects of air pressure and water pressure in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
T07-T88Injury, poisoning and certain other consequences of external causes
block
T66-T78Other and unspecified effects of external causes
currentT66-T78

Official coding notes

7th character notes
  • The appropriate 7th character is to be added to each code from category T70
  • initial encounter
  • subsequent encounter
  • sequela

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

Emergency Medicine SpecialistOrthopedic Specialist

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
T70
Replacement codes
T70.0 — Otitic barotraumaT70.1 — Sinus barotraumaT70.3 — Caisson disease [decompression sickness]T70.4 — Effects of high-pressure fluidsT70.8 — Other effects of air pressure and water pressureT70.9 — Effect of air pressure and water pressure, unspecified

Common synonyms

Effects of air pressure and water pressure

Frequently asked questions

Code details

CodeT70
SystemICD10
Display nameEffects of air pressure and water pressure
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockOther and unspecified effects of external causes

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code T70 for Effects of air pressure and water pressure | HealthAssure