S31.815A — Open bite of right buttock, initial encounter
S31.815A is a billable, specific ICD-10-CM code for open bite of right buttock, 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
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- superficial bite of buttock (S30.870)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Bite of right buttock NOS
Risk adjustment
S31.815A 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
S31.815A is named in 11 Medicare coverage policies — 11 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
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
Related codes at this level
Codes that share S31.815. If S31.815A is not quite right, the correct code is usually one of these.
Questions about S31.815A
- Is S31.815A a billable ICD-10-CM code?
- Yes. S31.815A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S31.815A 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).
- What cannot be coded together with S31.815A?
- S31.815A carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.