T70.3Header code — not billable
Caisson disease [decompression sickness]
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T70
- Effective date
- October 1, 2026
Related codes in category T70
T70Effects of air pressure and water pressureT70.0Otitic barotraumaT70.0XXAOtitic barotrauma, initial encounterYesT70.0XXDOtitic barotrauma, subsequent encounterYesT70.0XXSOtitic barotrauma, sequelaYesT70.1Sinus barotraumaT70.1XXASinus barotrauma, initial encounterYesT70.1XXDSinus barotrauma, subsequent encounterYesT70.1XXSSinus barotrauma, sequelaYesT70.2Other and unspecified effects of high altitudeT70.20Unspecified effects of high altitudeT70.20XAUnspecified effects of high altitude, initial encounterYes
Frequently asked questions
What is ICD-10 code T70.3?
T70.3 is an ICD-10-CM diagnosis code for Caisson disease [decompression sickness].
Is T70.3 a billable code?
No. T70.3 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T70.3 in?
T70.3 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T70.3 become effective?
T70.3 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T70.3?
T70.3 belongs to category T70, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.