S42.3

ICD-10Non-billable category

Fracture of shaft of humerus

Official ICD-10-CM descriptor (FY2026)

Fracture of shaft of humerus

S42.3 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Inclusion terms

  • Fracture of humerus NOS
  • Fracture of upper arm NOS

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • physeal fractures of upper end of humerus (S49.0-)
  • physeal fractures of lower end of humerus (S49.1-)

ICD-10-CM FY2026 defines 8 codes beneath S42.3. See the ICD-10-CM index for what this site publishes.

Related codes in S42

Where this code sits

Parent code
S42

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

Get codes automatically as you write notes. Krasyn AI Coder for Chrome — free for 50 analyses.Install free →