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2. ICD-10 Codes
3. Chapter - C00-D49
4. Section - C76-C80
5. Category - C77
6. C77.9

C77.9 - Secondary and unspecified malignant neoplasm of lymph node, unspecified

• Applicable to Secondary and unspecified malignant neoplasm of lymph node, unspecified
• The 2025 edition of ICD10-CM C77.9 became effective on October 1, 2024.
• This is the American ICD10-CM version of C77.9 - other international versions of ICD10 C77.9 may differ.
• C77.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above C77.9 contain annotation back-references that may be applicable to C77.9:

• Chapter: C00-D49 - Neoplasms
• Section: C76-C80 - Malignant neoplasms of ill-defined, other secondary and unspecified sites
• Category: C77 - Secondary and unspecified malignant neoplasm of lymph nodes

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.