Question 1

Is C39 a billable ICD-10 code?

Accepted Answer

No, C39 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 C39 mean?

Accepted Answer

ICD-10-CM code C39 represents Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs. 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 C39?

Accepted Answer

The parent category for C39 is section:C30-C39 (Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 4

What conditions are excluded from C39?

Accepted Answer

Code C39 has Type 1 Excludes (mutually exclusive conditions) including: intrathoracic malignant neoplasm NOS (C76.1); thoracic malignant neoplasm NOS (C76.1). These conditions cannot be coded together with C39 as they represent different diagnoses.

Question 5

Should I use additional codes with C39?

Accepted Answer

Yes, when coding C39, consider adding codes for: code to identify:; exposure to environmental tobacco smoke (Z77.22). Additional codes provide more specificity about the patient's condition.

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