S31.157A — Open bite of abdominal wall, left flank without penetration into peritoneal cavity, initial encounter
S31.157A is a billable, specific ICD-10-CM code for open bite of abdominal wall, left flank without penetration into peritoneal cavity, 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 S31
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S31.157A 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
S31.157A is named in 13 Medicare coverage policies — 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52438Billing and Coding: Tetanus Immunization
- A53057Billing and Coding: Home Health Occupational Therapy
- A53058Billing and Coding: Home Health Physical Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
Related codes at this level
Codes that share S31.157. If S31.157A is not quite right, the correct code is usually one of these.
Questions about S31.157A
- Is S31.157A a billable ICD-10-CM code?
- Yes. S31.157A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S31.157A 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).