Billable / Specific Code
ICD-10-CM C77.5 is the diagnosis code for Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes. This code falls under the section "Malignant neoplasms of ill-defined, other secondary and unspecified sites" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where C77.5 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, C77.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
C77.5 is the ICD-10-CM diagnosis code for "Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of C77.5 is C77 ("Secondary and unspecified malignant neoplasm of lymph nodes"). C77.5 provides a more specific classification within this category.
C77.5 is located in Section C76-C80 — "Malignant neoplasms of ill-defined, other secondary and unspecified sites" within Chapter 2 of the ICD-10-CM Tabular List.
Use C77.5 when the patients documented diagnosis matches "Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes is C77.5.
Yes, C77.5 can be used as a primary diagnosis code since it is billable and specific.
C77.5 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, C77.5 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.