S89.399A
S89.399A — Other physeal fracture of lower end of unspecified fibula, initial encounter for closed fracture
Billable / specific codeICD-10-CM
S89.399A is a billable, specific ICD-10-CM code for other physeal fracture of lower end of unspecified fibula, initial encounter for closed fracture. It is valid for submission on a claim.
7th character "A" — initial encounter for closed fracture
The appropriate 7th character is to be added to each code from subcategories S89.0, S89.1, S89.2, and S89.3
- A
- initial encounter for closed 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
S89.399A 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.
Related codes at this level
Codes that share S89.399. If S89.399A is not quite right, the correct code is usually one of these.
- S89.399DOther physeal fracture of lower end of unspecified fibula, subsequent encounter for fracture with routine healing
- S89.399GOther physeal fracture of lower end of unspecified fibula, subsequent encounter for fracture with delayed healing
- S89.399KOther physeal fracture of lower end of unspecified fibula, subsequent encounter for fracture with nonunion
- S89.399POther physeal fracture of lower end of unspecified fibula, subsequent encounter for fracture with malunion
- S89.399SOther physeal fracture of lower end of unspecified fibula, sequela
Questions about S89.399A
- Is S89.399A a billable ICD-10-CM code?
- Yes. S89.399A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S89.399A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the knee and lower leg (S80-S89).