Question 1

Is C18 a billable ICD-10 code?

Accepted Answer

No, C18 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 C18 mean?

Accepted Answer

ICD-10-CM code C18 represents Malignant neoplasm of colon. 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

What is the parent category for ICD-10 code C18?

Accepted Answer

The parent category for C18 is section:C15-C26 (Malignant neoplasms of digestive organs (C15-C26)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 4

What conditions are excluded from C18?

Accepted Answer

Code C18 has Type 1 Excludes (mutually exclusive conditions) including: malignant carcinoid tumors of the colon (C7A.02-). These conditions cannot be coded together with C18 as they represent different diagnoses.

C182026

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