ICD-10 Code M45.A0 - Non-radiographic axial spondyloarthritis of unspecified sites in spine

ICD-10-CM Diagnosis Code M45.A0

Diagnosis Code: M45.A0 (Raw: M45A0)

Description: Non-radiographic axial spondyloarthritis of unspecified sites in spine

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

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).

Overview & Clinical Details

ICD-10-CM code M45.A0 is designated for Non-radiographic axial spondyloarthritis of unspecified sites in spine. 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.