S99.121B
S99.121B: Salter-Harris Type II physeal fracture of right metatarsal, initial encounter for open fracture
Billable / specific codeICD-10-CMright
S99.121B is a billable, specific ICD-10-CM code for salter-harris type ii physeal fracture of right metatarsal, initial encounter for open fracture. It is valid for submission on a claim.
Check S99.121B with the rest of the claim: free scrubber7th character "B": initial encounter for open fracture
The appropriate 7th character is to be added to each code from subcategories S99.1
- A
- initial encounter for closed fracture
- B
- initial encounter for open fracture
- D
- subsequent encounter for fracture with routine healing
- G
- subsequent encounter for fracture with delayed healing
- K
- subsequent encounter for fracture with nonunion
- P
- subsequent encounter for fracture with malunion
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
S99.121B is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
- A56900Billing and Coding: Immunizations
- A58872Billing and Coding: Tetanus Immunization
- A58873Billing and Coding: Tetanus Immunization
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under S99.121
- S99.121ASalter-Harris Type II physeal fracture of right metatarsal, initial encounter for closed fracture
- S99.121DSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with routine healing
- S99.121GSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with delayed healing
- S99.121KSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with nonunion
- S99.121PSalter-Harris Type II physeal fracture of right metatarsal, subsequent encounter for fracture with malunion
- S99.121SSalter-Harris Type II physeal fracture of right metatarsal, sequela