T88.3XXS — Malignant hyperthermia due to anesthesia, sequela
T88.3XXS is a billable, specific ICD-10-CM code for malignant hyperthermia due to anesthesia, 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 T88
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Use additional code
Add a secondary code to capture the detail described below.
- code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
Risk adjustment
T88.3XXS 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
T88.3XXS is named in 6 Medicare coverage policies — 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53057Billing and Coding: Home Health Occupational Therapy
- A53058Billing and Coding: Home Health Physical Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
Related codes at this level
Codes that share T88.3. If T88.3XXS is not quite right, the correct code is usually one of these.
Questions about T88.3XXS
- Is T88.3XXS a billable ICD-10-CM code?
- Yes. T88.3XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T88.3XXS sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).