T59.1X4D
T59.1X4D: Toxic effect of sulfur dioxide, undetermined, subsequent encounter
Billable / specific codeICD-10-CMPOA exempt
T59.1X4D is a billable, specific ICD-10-CM code for toxic effect of sulfur dioxide, undetermined, subsequent encounter. It is valid for submission on a claim.
Check T59.1X4D with the rest of the claim: free scrubber7th character "D": subsequent encounter
The appropriate 7th character is to be added to each code from category T59
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with T59.1X4D
Their own Excludes1 notes name this code, so the conflict is not listed above.
- T71Asphyxiation
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
T59.1X4D is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A57224Billing and Coding: Respiratory Care
Code history
Unchanged in every release from FY2024 to FY2027.