T43.205A — Adverse effect of unspecified antidepressants, initial encounter
T43.205A is a billable, specific ICD-10-CM code for adverse effect of unspecified antidepressants, initial encounter. It is valid for submission on a claim.
7th character "A" — initial encounter
The appropriate 7th character is to be added to each code from category T43
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Antidepressant discontinuation syndrome
Risk adjustment
T43.205A does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
T43.205A is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56612Billing and Coding: CT of the Head
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56844Billing and Coding: RAST Type Tests
- A57130Billing and Coding: Psychiatric Codes
Related codes at this level
Codes that share T43.205. If T43.205A is not quite right, the correct code is usually one of these.
Questions about T43.205A
- Is T43.205A a billable ICD-10-CM code?
- Yes. T43.205A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T43.205A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).