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  1. ICD.Codes
  2. ICD-10-CM (2016)
  3. Chapter 14
  4. Section N20-N23
  5. Code N21

ICD-10-CM Code N21
Calculus of lower urinary tract

NON-BILLABLE
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
| ICD-10 from 2011 - 2016

ICD Code N21 is a non-billable code. To code a diagnosis of this type, you must use one of the four child codes of N21 that describes the diagnosis 'calculus of lower urinary tract' in more detail.

Coding Notes for N21 Info for medical coders on how to properly use this ICD-10 code

Code Includes Notes:
Includes
Includes notes further define, or give examples of, conditions included in the section.
Calculus of lower urinary tract with cystitis and urethritis

ICD-10-CM Alphabetical Index References for 'N21 - Calculus of lower urinary tract'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code N21. Click on any term below to browse the alphabetical index.

Urethrolithiasis(with colic or infection)
Cystolithiasis
Urethritis(anterior) (posterior) +
Cystitis(exudative) (hemorrhagic) (septic) (suppurative) +
Calculus, calculi, calculous +
Colic(bilious) (infantile) (intestinal) (recurrent) (spasmodic) +
Stone(s) (see: Calculus) +

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/N21