Question 1

Is I20 a billable ICD-10 code?

Accepted Answer

No, I20 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 I20 mean?

Accepted Answer

ICD-10-CM code I20 represents Angina pectoris. 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 I20?

Accepted Answer

The parent category for I20 is section:I20-I25 (Ischemic heart diseases (I20-I25)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 4

What conditions are excluded from I20?

Accepted Answer

Code I20 has Type 1 Excludes (mutually exclusive conditions) including: angina pectoris with atherosclerotic heart disease of native coronary arteries (I25.1-); atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris (I25.7-); postinfarction angina (I23.7). These conditions cannot be coded together with I20 as they represent different diagnoses.

Question 5

Should I use additional codes with I20?

Accepted Answer

Yes, when coding I20, 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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