T44.995A
T44.995A: Adverse effect of other drug primarily affecting the autonomic nervous system, initial encounter
Billable / specific codeICD-10-CM
T44.995A is a billable, specific ICD-10-CM code for adverse effect of other drug primarily affecting the autonomic nervous system, initial encounter. It is valid for submission on a claim.
Check T44.995A with the rest of the claim: free scrubber7th character "A": initial encounter
The appropriate 7th character is to be added to each code from category T44
- 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
T44.995A is named in 18 Medicare coverage policies: 18 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56558Billing and Coding: Allergy Testing
- A56612Billing and Coding: CT of the Head
- A56844Billing and Coding: RAST Type Tests
- A57043Billing and Coding: RAST Type Tests
Code history
Unchanged in every release from FY2024 to FY2027.