ICD-10-CM Diagnosis Code (2025)
Official Description for G21.2
Secondary parkinsonism due to other external agents
Coding Notes & Guidelines for G21.2
(T51-T65) to identify external agent
Parent Code (Less Specific):
About ICD-10-CM Code G21.2 (Secondary parkinsonism due to other external agents)
ICD-10-CM code G21.2 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G21.2 became effective on October 1, 2024.
This page provides detailed information about G21.2 - Secondary parkinsonism due to other external agents. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Secondary parkinsonism due to other external agents.