Question 1

Is C66 a billable ICD-10 code?

Accepted Answer

No, C66 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 C66 mean?

Accepted Answer

ICD-10-CM code C66 represents Malignant neoplasm of ureter. 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 C66 introduced?

Accepted Answer

Code C66 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 C66?

Accepted Answer

The parent category for C66 is section:C64-C68 (Malignant neoplasms of urinary tract (C64-C68)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from C66?

Accepted Answer

Code C66 has Type 1 Excludes (mutually exclusive conditions) including: malignant neoplasm of ureteric orifice of bladder (C67.6). These conditions cannot be coded together with C66 as they represent different diagnoses.

C662026

Excludes11Not coded together

Notes8Additional information

Is C66 a billable ICD-10 code?

What does ICD-10 code C66 mean?

When was ICD-10 code C66 introduced?

What is the parent category for ICD-10 code C66?

What conditions are excluded from C66?