Question 1

Is C09 a billable ICD-10 code?

Accepted Answer

No, C09 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 C09 mean?

Accepted Answer

ICD-10-CM code C09 represents Malignant neoplasm of tonsil. 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 C09?

Accepted Answer

The parent category for C09 is section:C00-C14 (Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 4

What conditions should be coded separately from C09?

Accepted Answer

Code C09 has Type 2 Excludes including: malignant neoplasm of lingual tonsil (C02.4); malignant neoplasm of pharyngeal tonsil (C11.1). These conditions are not included in C09 but can be coded together if the patient has both conditions.

Question 5

Should I use additional codes with C09?

Accepted Answer

Yes, when coding C09, consider adding codes for: code to identify:; alcohol abuse and dependence (F10.-). Additional codes provide more specificity about the patient's condition.

C092026

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