ICD-10-CM Codes
C00-D49 Neoplasms
C76-C80 Malignant neoplasms of ill-defined, other secondary and unspecified sites
C77- Secondary and unspecified malignant neoplasm of lymph nodes

2018 ICD-10-CM Diagnosis Code C77.9

Secondary and unspecified malignant neoplasm of lymph node, unspecified

2016

2017

2018

Billable/Specific Code

C77.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Short description: Secondary and unsp malignant neoplasm of lymph node, unsp
The 2018 edition of ICD-10-CM C77.9 became effective on October 1, 2017.
This is the American ICD-10-CM version of C77.9 - other international versions of ICD-10 C77.9 may differ.

The following code(s) above C77.9 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to C77.9:

C00-D49
2018 ICD-10-CM Range C00-D49
Neoplasms
Note
- Functional activity
- All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
- Morphology [Histology]
- Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
- Primary malignant neoplasms overlapping site boundaries
- A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
- Malignant neoplasm of ectopic tissue
- Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
Neoplasms
C77
ICD-10-CM Diagnosis Code C77
Secondary and unspecified malignant neoplasm of lymph nodes
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)
Secondary and unspecified malignant neoplasm of lymph nodes

Approximate Synonyms

Breast cancer metastatic to lymph node
Cancer metastatic to lymph node, adenocarcinoma
Cancer metastatic to lymph node, small cell
Cancer metastatic to lymph node, squamous cell
Cancer metastatic to lymph nodes
Cancer metastatic to lymph nodes undiffer lg cell
Female breast cancer metastatic to lymph node
Male breast cancer metastatic to lymph node
Melanoma eye, metastatic to lung
Melanoma, metastatic to lymph node
Metastasis to lymph node from adenocarcinoma
Metastasis to lymph node from squamous cell carcinoma
Secondary adenocarcinoma of lymph node
Secondary malignant melanoma of lung from eye
Secondary malignant melanoma of lymph node
Secondary malignant neoplasm of lymph node
Secondary malignant neoplasm of lymph node from neoplasm of breast
Secondary malignant neoplasm of lymph node from neoplasm of female breast
Secondary malignant neoplasm of lymph node from neoplasm of male breast
Secondary small cell cancer of lymph node
Secondary squamous cell carcinoma of lymph node
Secondary undifferentiated large cell malignant neoplasm of lymph node

Clinical Information

The spread of cancer to and establishment in the lymph nodes

ICD-10-CM C77.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

820 Lymphoma and leukemia with major o.r. Procedure with mcc
821 Lymphoma and leukemia with major o.r. Procedure with cc
822 Lymphoma and leukemia with major o.r. Procedure without cc/mcc
823 Lymphoma and non-acute leukemia with other procedure with mcc
824 Lymphoma and non-acute leukemia with other procedure with cc
825 Lymphoma and non-acute leukemia with other procedure without cc/mcc
840 Lymphoma and non-acute leukemia with mcc
841 Lymphoma and non-acute leukemia with cc
842 Lymphoma and non-acute leukemia without cc/mcc

Convert C77.9 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change

ICD-10-CM Codes Adjacent To C77.9

C76.52 Malignant neoplasm of left lower limb

C76.8 Malignant neoplasm of other specified ill-defined sites

C77 Secondary and unspecified malignant neoplasm of lymph nodes

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

C78 Secondary malignant neoplasm of respiratory and digestive organs

C78.0 Secondary malignant neoplasm of lung

C78.00 Secondary malignant neoplasm of unspecified lung

C78.01 Secondary malignant neoplasm of right lung

C78.02 Secondary malignant neoplasm of left lung

C78.1 Secondary malignant neoplasm of mediastinum

C78.2 Secondary malignant neoplasm of pleura

C78.3 Secondary malignant neoplasm of other and unspecified respiratory organs

C78.30 Secondary malignant neoplasm of unspecified respiratory organ

C78.39 Secondary malignant neoplasm of other respiratory organs

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

2018 ICD-10-CM Diagnosis Code C77.9

Secondary and unspecified malignant neoplasm of lymph node, unspecified

Neoplasms

Secondary and unspecified malignant neoplasm of lymph nodes