ICD-9-CM Diagnosis Code 309.28
Diagnosis Code: 309.28 (Raw: 30928)
Description: Adjustment disorder with mixed anxiety and depressed mood
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 309.28 is designated for Adjustment disorder with mixed anxiety and depressed mood. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.
