ICD-10-CM Diagnosis Code M45.0
Diagnosis Code: M45.0 (Raw: M450)
Description: Ankylosing spondylitis of multiple 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.
Overview & Clinical Details
ICD-10-CM code M45.0 is designated for Ankylosing spondylitis of multiple 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.
