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ICD-10-CM Diagnosis Code G90.3
Diagnosis Code: G90.3 (Raw: G903)
Description: Multi-system degeneration of the autonomic nervous system
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 G90.3 is designated for Multi-system degeneration of the autonomic nervous system. 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.