T59.0X1S
T59.0X1S: Toxic effect of nitrogen oxides, accidental (unintentional), sequela
Billable / specific codeICD-10-CMPOA exempt
T59.0X1S is a billable, specific ICD-10-CM code for toxic effect of nitrogen oxides, accidental (unintentional), sequela. It is valid for submission on a claim.
Check T59.0X1S with the rest of the claim: free scrubber7th character "S": sequela
The appropriate 7th character is to be added to each code from category T59
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Toxic effect of nitrogen oxides NOS
Other codes that can never be billed with T59.0X1S
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
T59.0X1S 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.