T37.2X4A — Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, initial encounter
T37.2X4A is a billable, specific ICD-10-CM code for poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, 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 T37
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T37.2X4A 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
T37.2X4A is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
- A56726Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
- A57060Billing and Coding: Visual Electrophysiology Testing
- A57071Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
Related codes at this level
Codes that share T37.2X4. If T37.2X4A is not quite right, the correct code is usually one of these.
Questions about T37.2X4A
- Is T37.2X4A a billable ICD-10-CM code?
- Yes. T37.2X4A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T37.2X4A 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).