ICD-9-CM Diagnosis Code 160.3
Diagnosis Code: 160.3 (Raw: 1603)
Description: Malignant neoplasm of ethmoidal sinus
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 160.3 is designated for Malignant neoplasm of ethmoidal sinus. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.