Question 1

Is N21 a billable ICD-10 code?

Accepted Answer

No, N21 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 N21 mean?

Accepted Answer

ICD-10-CM code N21 represents Calculus of lower urinary tract. 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 N21?

Accepted Answer

The parent category for N21 is section:N20-N23 (Urolithiasis (N20-N23)). This hierarchical classification helps organize related diagnoses for more accurate coding.

N212026

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