Question 1

Is C77 a billable ICD-10 code?

Accepted Answer

No, C77 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code C77 mean?

Accepted Answer

ICD-10-CM code C77 represents Secondary and unspecified malignant neoplasm of lymph nodes. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code C77 introduced?

Accepted Answer

Code C77 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code C77?

Accepted Answer

The parent category for C77 is section:C76-C80 (Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from C77?

Accepted Answer

Code C77 has Type 1 Excludes (mutually exclusive conditions) including: 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). These conditions cannot be coded together with C77 as they represent different diagnoses.

C772026

Excludes13Not coded together

Notes8Additional information

Is C77 a billable ICD-10 code?

What does ICD-10 code C77 mean?

When was ICD-10 code C77 introduced?

What is the parent category for ICD-10 code C77?

What conditions are excluded from C77?