T50.994A
T50.994A: Poisoning by other drugs, medicaments and biological substances, undetermined, initial encounter
Billable / specific codeICD-10-CM
T50.994A is a billable, specific ICD-10-CM code for poisoning by other drugs, medicaments and biological substances, undetermined, initial encounter. It is valid for submission on a claim.
Check T50.994A 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 T50
- 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
T50.994A is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56948Billing and Coding: Lab: Cystatin C Measurement
- A56988Billing and Coding: Cystatin C Measurement
Code history
Unchanged in every release from FY2024 to FY2027.