ICD-10-CM Diagnosis Code S40.841A
Diagnosis Code: S40.841A (Raw: S40841A)
Description: External constriction of right upper arm, initial encounter
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 S40.841A is designated for External constriction of right upper arm, initial encounter. 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.