S42.242K
✓ Billable
4-part fracture of surgical neck of left humerus, subsequent encounter for fracture with nonunion
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S42.242K
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code S42.242K?
ICD-10-CM code S42.242K represents 4-part fracture of surgical neck of left humerus, subsequent encounter for fracture with nonunion. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S42.242K billable?
Yes. S42.242K is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is S42.242K in?
S42.242K belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S42 category
S42
Fracture of shoulder and upper arm
Non-billable
S42.0
Fracture of clavicle
Non-billable
S42.1
Fracture of scapula
Non-billable
S42.2
Fracture of upper end of humerus
Non-billable
S42.3
Fracture of shaft of humerus
Non-billable
S42.4
Fracture of lower end of humerus
Non-billable
S42.9
Fracture of shoulder girdle, part unspecified
Non-billable
S42.00
Fracture of unspecified part of clavicle
Non-billable
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