T53.0X2A — Toxic effect of carbon tetrachloride, intentional self-harm, initial encounter
T53.0X2A is a billable, specific ICD-10-CM code for toxic effect of carbon tetrachloride, intentional self-harm, 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 T53
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with T53.0X2A
These codes carry an Excludes1 note pointing at T53.0X2A. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading T53.0X2A alone.
Risk adjustment
T53.0X2A risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:
- HCC 155 Major Depression, Moderate or Severe, without Psychosis0.299 RAF
- HCC 155 Major Depression, Moderate or Severe, without Psychosis0.299 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
T53.0X2A is named in 2 Medicare coverage policies — 2 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
- A57205Billing and Coding: Oximetry Services
Code history
T53.0X2A has not changed since FY2024 — no addition, revision or deletion across the FY2024–FY2027 ICD-10-CM releases.
Related codes at this level
Codes that share T53.0X2. If T53.0X2A is not quite right, the correct code is usually one of these.
Questions about T53.0X2A
- Is T53.0X2A a billable ICD-10-CM code?
- Yes. T53.0X2A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T53.0X2A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Toxic effects of substances chiefly nonmedicinal as to source (T51-T65).