S11.85XD — Open bite of other specified part of neck, subsequent encounter
S11.85XD is a billable, specific ICD-10-CM code for open bite of other specified part of neck, subsequent encounter. It is valid for submission on a claim.
7th character "D" — subsequent encounter
The appropriate 7th character is to be added to each code from category S11
- 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 other specified part of neck (S10.87)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Bite of other specified part of neck NOS
Risk adjustment
S11.85XD 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
S11.85XD is named in 7 Medicare coverage policies — 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
- A56459Billing and Coding: Debridement Services
Related codes at this level
Codes that share S11.85. If S11.85XD is not quite right, the correct code is usually one of these.
Questions about S11.85XD
- Is S11.85XD a billable ICD-10-CM code?
- Yes. S11.85XD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S11.85XD sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the neck (S10-S19).
- What cannot be coded together with S11.85XD?
- S11.85XD carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.