T70.3 Caisson disease [decompression sickness]

The ICD-10-CM code for Caisson disease [decompression sickness] is T70.3 (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 T70.3:

• Chokes (resulting from bends)
• Bends
• Caisson disease
• Diver's palsy, paralysis or squeeze
• Aerobullosis
• Compressed air disease
• Aeroembolism
• Decompression sickness

Inclusion Terms

• Compressed-air disease
• Diver's palsy or paralysis

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