ICD-9-CM Diagnosis Code 946.1
Diagnosis Code: 946.1 (Raw: 9461)
Description: Erythema [first degree] of multiple specified sites
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 946.1 is designated for Erythema [first degree] of multiple specified sites. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.
