T38.1X1S — Poisoning by thyroid hormones and substitutes, accidental (unintentional), sequela
T38.1X1S is a billable, specific ICD-10-CM code for poisoning by thyroid hormones and substitutes, accidental (unintentional), sequela. It is valid for submission on a claim.
7th character "S" — sequela
The appropriate 7th character is to be added to each code from category T38
- 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 thyroid hormones and substitutes NOS
Risk adjustment
T38.1X1S 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
T38.1X1S 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.
- A57473Billing and Coding: Allergy Testing
- A57473Billing and Coding: Allergy Testing
Related codes at this level
Codes that share T38.1X1. If T38.1X1S is not quite right, the correct code is usually one of these.
Questions about T38.1X1S
- Is T38.1X1S a billable ICD-10-CM code?
- Yes. T38.1X1S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T38.1X1S 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).