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

When was ICD-10 code N21 introduced?

Accepted Answer

Code N21 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

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

Excludes28Not included here

Includes1Included conditions

Is N21 a billable ICD-10 code?

What does ICD-10 code N21 mean?

When was ICD-10 code N21 introduced?

What is the parent category for ICD-10 code N21?