ICD-10-CM Diagnosis Code M66.879
Diagnosis Code: M66.879 (Raw: M66879)
Description: Spontaneous rupture of other tendons, unspecified ankle and foot
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 M66.879 is designated for Spontaneous rupture of other tendons, unspecified ankle and foot. 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.
