S42.309BBillable
Unspecified fracture of shaft of humerus, unspecified arm, initial encounter for open fracture
Short description: Unsp fracture of shaft of humerus, unsp arm, init for opn fx
- 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 S42.309B?
S42.309B is an ICD-10-CM diagnosis code for Unspecified fracture of shaft of humerus, unspecified arm, initial encounter for open fracture.
Is S42.309B a billable code?
Yes. S42.309B is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is S42.309B in?
S42.309B falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S42.309B become effective?
S42.309B has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S42.309B?
S42.309B 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.