C77 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Secondary and unspecified malignant neoplasm of lymph nodes.
Type 1 excludes
Codes
C77.0
Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck
C77.1
Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes
C77.2
Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes
C77.3
Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes
C77.4
Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes
C77.5
Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes
C77.8
Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions
C77.9
Secondary and unspecified malignant neoplasm of lymph node, unspecified
Versions
2026
Code changed
Type 1 excludes
malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)mesentary metastasis of carcinoid tumor (C7B.04)secondary carcinoid tumors of distant lymph nodes (C7B.01)
- malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)
- mesentery metastasis of carcinoid tumor (C7B.04)
- secondary carcinoid tumors of distant lymph nodes (C7B.01)
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code