S42.423KBillable

Displaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with nonunion

Short description: Displ commnt suprcndl fx w/o intrcndl fx unsp humer, 7thK

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S42
Effective date
October 1, 2026

Related codes in category S42

S42Fracture of shoulder and upper armS42.0Fracture of clavicleS42.00Fracture of unspecified part of clavicleS42.001Fracture of unspecified part of right clavicleS42.001AFracture of unsp part of right clavicle, init for clos fxYesS42.001BFracture of unsp part of right clavicle, init for opn fxYesS42.001DFx unsp part of r clavicle, subs for fx w routn healYesS42.001GFx unsp part of r clavicle, subs for fx w delay healYesS42.001KFracture of unsp part of r clavicle, subs for fx w nonunionYesS42.001PFracture of unsp part of r clavicle, subs for fx w malunionYesS42.001SFracture of unspecified part of right clavicle, sequelaYesS42.002Fracture of unspecified part of left clavicle

Frequently asked questions

What is ICD-10 code S42.423K?

S42.423K is an ICD-10-CM diagnosis code for Displaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with nonunion.

Is S42.423K a billable code?

Yes. S42.423K is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is S42.423K in?

S42.423K falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S42.423K become effective?

S42.423K has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S42.423K?

S42.423K belongs to category S42, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.