S42.343K: Displaced spiral fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunion
S42.343K is a billable, specific ICD-10-CM code for displaced spiral fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunion. It is valid for submission on a claim.
Check S42.343K with the rest of the claim: free scrubber7th character "K": subsequent encounter for fracture with nonunion
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
Excludes1 inherited from the categories above S42.343K
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above S42.343K
Not part of this code, but both may be coded when both are present.
Written on S42.3: Fracture of shaft of humerus
Other codes that can never be billed with S42.343K
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
S42.343K is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53065Billing and Coding: Outpatient Physical Therapy
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under S42.343
- S42.343ADisplaced spiral fracture of shaft of humerus, unspecified arm, initial encounter for closed fracture
- S42.343BDisplaced spiral fracture of shaft of humerus, unspecified arm, initial encounter for open fracture
- S42.343DDisplaced spiral fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with routine healing
- S42.343GDisplaced spiral fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with delayed healing
- S42.343PDisplaced spiral fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with malunion
- S42.343SDisplaced spiral fracture of shaft of humerus, unspecified arm, sequela