ICD-10 Code D49.9 - Neoplasm of unspecified behavior of unspecified site

ICD-10-CM Diagnosis Code D49.9

Diagnosis Code: D49.9 (Raw: D499)

Description: Neoplasm of unspecified behavior of unspecified site

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code D49.9 is designated for Neoplasm of unspecified behavior of unspecified site. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.