MCMedicalCodingSoftware
T70.3XXS

T70.3XXS: Caisson disease [decompression sickness], sequela

Billable / specific codeICD-10-CMPOA exempt

T70.3XXS is a billable, specific ICD-10-CM code for caisson disease [decompression sickness], sequela. It is valid for submission on a claim.

Check T70.3XXS with the rest of the claim: free scrubber

7th character "S": sequela

The appropriate 7th character is to be added to each code from category T70

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T70.3XXS is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56612Billing and Coding: CT of the Head
  • A56625Billing and Coding: Echocardiography
  • A57326Billing and Coding: Electrocardiograms

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T70.3

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.