S42.342B — Displaced spiral fracture of shaft of humerus, left arm, initial encounter for open fracture
S42.342B is a billable, specific ICD-10-CM code for displaced spiral fracture of shaft of humerus, left arm, initial encounter for open fracture. It is valid for submission on a claim.
7th character "B" — initial encounter for open fracture
The appropriate 7th character is to be added to all codes from category S42
- 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
S42.342B 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
S42.342B is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56900Billing and Coding: Immunizations
- A57311Billing and Coding: Physical Therapy - Home Health
- A58872Billing and Coding: Tetanus Immunization
- A58873Billing and Coding: Tetanus Immunization
Related codes at this level
Codes that share S42.342. If S42.342B is not quite right, the correct code is usually one of these.
- S42.342ADisplaced spiral fracture of shaft of humerus, left arm, initial encounter for closed fracture
- S42.342DDisplaced spiral fracture of shaft of humerus, left arm, subsequent encounter for fracture with routine healing
- S42.342GDisplaced spiral fracture of shaft of humerus, left arm, subsequent encounter for fracture with delayed healing
- S42.342KDisplaced spiral fracture of shaft of humerus, left arm, subsequent encounter for fracture with nonunion
- S42.342PDisplaced spiral fracture of shaft of humerus, left arm, subsequent encounter for fracture with malunion
- S42.342SDisplaced spiral fracture of shaft of humerus, left arm, sequela
Questions about S42.342B
- Is S42.342B a billable ICD-10-CM code?
- Yes. S42.342B is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S42.342B sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the shoulder and upper arm (S40-S49).