T42.71XA — Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional), initial encounter
T42.71XA is a billable, specific ICD-10-CM code for poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional), 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 T42
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Poisoning by antiepileptic and sedative-hypnotic drugs NOS
Risk adjustment
T42.71XA 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
T42.71XA is named in 12 Medicare coverage policies — 12 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54799Billing and Coding: Urine Drug Testing
- A55001Billing and Coding: Urine Drug Testing
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56612Billing and Coding: CT of the Head
Related codes at this level
Codes that share T42.71. If T42.71XA is not quite right, the correct code is usually one of these.
Questions about T42.71XA
- Is T42.71XA a billable ICD-10-CM code?
- Yes. T42.71XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T42.71XA 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).