T43.651A — Poisoning by methamphetamines accidental (unintentional), initial encounter
T43.651A is a billable, specific ICD-10-CM code for poisoning by methamphetamines 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 T43
- 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 methamphetamines NOS
Risk adjustment
T43.651A risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 137 Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications0.424 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
T43.651A is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56625Billing and Coding: Echocardiography
- A56625Billing and Coding: Echocardiography
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
Related codes at this level
Codes that share T43.651. If T43.651A is not quite right, the correct code is usually one of these.
Questions about T43.651A
- Is T43.651A a billable ICD-10-CM code?
- Yes. T43.651A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T43.651A 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).