S37.421A
S37.421A — Contusion of ovary, unilateral, initial encounter
Billable / specific codeICD-10-CM
S37.421A is a billable, specific ICD-10-CM code for contusion of ovary, unilateral, 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 S37
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S37.421A 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
S37.421A 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.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A57205Billing and Coding: Oximetry Services
Related codes at this level
Codes that share S37.421. If S37.421A is not quite right, the correct code is usually one of these.
Questions about S37.421A
- Is S37.421A a billable ICD-10-CM code?
- Yes. S37.421A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S37.421A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39).