ICD-9 Code 305.42 - Sedative, hypnotic or anxiolytic abuse, episodic

ICD-9-CM Diagnosis Code 305.42

Diagnosis Code: 305.42 (Raw: 30542)

Description: Sedative, hypnotic or anxiolytic abuse, episodic

Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)

Fiscal Year: 2026 Reference

CMS Section 111 Status: Valid for reporting.

Overview & Historical Usage

ICD-9-CM code 305.42 is designated for Sedative, hypnotic or anxiolytic abuse, episodic. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.