T57.1X4D
T57.1X4D — Toxic effect of phosphorus and its compounds, undetermined, subsequent encounter
Billable / specific codeICD-10-CMPOA exempt
T57.1X4D is a billable, specific ICD-10-CM code for toxic effect of phosphorus and its compounds, undetermined, subsequent encounter. It is valid for submission on a claim.
7th character "D" — subsequent encounter
The appropriate 7th character is to be added to each code from category T57
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T57.1X4D 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
T57.1X4D is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
- A56612Billing and Coding: CT of the Head
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
- A57414Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)
Related codes at this level
Codes that share T57.1X4. If T57.1X4D is not quite right, the correct code is usually one of these.
Questions about T57.1X4D
- Is T57.1X4D a billable ICD-10-CM code?
- Yes. T57.1X4D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T57.1X4D 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).