T70.1 Sinus barotrauma

The ICD-10-CM code for Sinus barotrauma is T70.1 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

19: Injury, poisoning and certain other consequences of external causes (S00-T88)

Section

T66-T78: Other and unspecified effects of external causes (T66-T78)

Category T70

10 codes (8 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to T70.1:

• Aerosinusitis
• Barosinusitis
• Sinusitis (accessory) (chronic) (hyperplastic) (nasal) (nonpurulent) (purulent) › due to high altitude
• Barotrauma › sinus
• Effect, adverse › high altitude NEC › on › sinuses
• High › altitude effects › on › sinuses

Inclusion Terms

• Aerosinusitis
• Effects of change in ambient atmospheric pressure on sinuses

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool

Cite This Page

Reference T70.1 with the canonical source and edition:

T70.1 — Sinus barotrauma. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T70.1

Canonical URL: https://icd10codingpro.com/codes/T70.1