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ICD-10-CM Current in FY 2027

N21.0

Calculus in bladder

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where N21.0 sits in the official hierarchy. Each level is the code it is classified under.

  1. N21 Parent Calculus of lower urinary tract
  2. N21.0 This code Calculus in bladder

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

calculus of lower urinary tract with cystitis and urethritis

Inherited from N21 — Calculus of lower urinary tract

Inclusion Terms

Calculus in diverticulum of bladder

Inclusion Terms

Urinary bladder stone

Excludes2

staghorn calculus ( N20.0 )

Version History

How N21.0 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Calculus in bladder

  2. FY 2026 Effective

    Unchanged

    Calculus in bladder

Related Codes

Other codes under N21

Codes whose official notes reference N21.0

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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