ICD-10-CM G21.11: Neuroleptic induced parkinsonism

ICD-10-CM Diagnosis Code (2025)

Official Description for G21.11

Neuroleptic induced parkinsonism

Coding Notes & Guidelines for G21.11

Excludes1: Not Coded Here

malignant neuroleptic syndrome (G21.0)

Use Additional Code

code for adverse effect, if applicable, to identify drug (T43.3X5, T43.4X5, T43.505, T43.595)

Parent Code (Less Specific):

About ICD-10-CM Code G21.11 (Neuroleptic induced parkinsonism)

ICD-10-CM code G21.11 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 G21.11 became effective on October 1, 2024.

This page provides detailed information about G21.11 - Neuroleptic induced parkinsonism. 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 Neuroleptic induced parkinsonism.