ICD-10 Code S42.249B - 4-part fracture of surgical neck of unspecified humerus, initial encounter for open fracture

ICD-10-CM Diagnosis Code S42.249B

Diagnosis Code: S42.249B (Raw: S42249B)

Description: 4-part fracture of surgical neck of unspecified humerus, initial encounter for open fracture

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code S42.249B is designated for 4-part fracture of surgical neck of unspecified humerus, initial encounter for open fracture. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.