ICD-10-CM C77.9: Secondary and unspecified malignant neoplasm of lymph node, unspecified

Parent Code (Less Specific):

About ICD-10-CM Code C77.9 (Secondary and unspecified malignant neoplasm of lymph node)

ICD-10-CM code C77.9 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C77.9 became effective on October 1, 2024.

This page provides detailed information about C77.9 - Secondary and unspecified malignant neoplasm of lymph node, unspecified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Secondary and unspecified malignant neoplasm of lymph node related to unspecified.