A sporadic neurodegenerative disease with onset in middle-age characterized clinically by parkinsonian features e.g., muscle rigidity; hypokinesia; stooped posture) and hypotension. This condition is considered a clinical variant of multiple system atrophy. Pathologic features include a prominent loss of neurons in the zona compacta of the substantia nigra and putamen. from Adams et al., Principles of Neurology, 6th ed, p1075-6)
G23.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM G23.2 became effective on October 1, 2022.
This is the American ICD-10-CM version of G23.2 – other international versions of ICD-10 G23.2 may differ.