T48.905S
T48.905S: Adverse effect of unspecified agents primarily acting on the respiratory system, sequela
Billable / specific codeICD-10-CMPOA exempt
T48.905S is a billable, specific ICD-10-CM code for adverse effect of unspecified agents primarily acting on the respiratory system, sequela. It is valid for submission on a claim.
Check T48.905S with the rest of the claim: free scrubber7th character "S": sequela
The appropriate 7th character is to be added to each code from category T48
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
T48.905S is named in 5 Medicare coverage policies: 5 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
- A56844Billing and Coding: RAST Type Tests
- A57361Billing and Coding: Monitored Anesthesia Care
Code history
Unchanged in every release from FY2024 to FY2027.