.svg){kind=small}
ICD-10-CM Diagnosis Code M51.A3
Diagnosis Code: M51.A3 (Raw: M51A3)
Description: Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size
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 M51.A3 is designated for Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size. 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.