C77.9
C77.9 — Secondary and unspecified malignant neoplasm of lymph node, unspecified
Billable / specific codeICD-10-CM
C77.9 is a billable, specific ICD-10-CM code for secondary and unspecified malignant neoplasm of lymph node, unspecified. It is valid for submission on a claim.
Risk adjustment
C77.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 18 Cancer Metastatic to Bone, Other and Unspecified Metastatic Cancer; Acute Leukemia Except Myeloid2.341 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
C77.9 is named in 35 Medicare coverage policies — 35 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
Related codes at this level
Codes that share C77. If C77.9 is not quite right, the correct code is usually one of these.
- C77.0Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck
- C77.1Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes
- C77.2Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes
- C77.3Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes
- C77.4Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes
- C77.5Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes
- C77.8Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions
Questions about C77.9
- Is C77.9 a billable ICD-10-CM code?
- Yes. C77.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C77.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80).