N21.9 - Calculus of lower urinary tract, unspecified

Applicable to Calculus of lower urinary tract, unspecified
The 2025 edition of ICD10-CM N21.9 became effective on October 1, 2024.
This is the American ICD10-CM version of N21.9 - other international versions of ICD10 N21.9 may differ.
N21.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Type 1 Excludes

calculus of urinary tract NOS (N20.9)

The following codes above N21.9 contain annotation back-references that may be applicable to N21.9:

Chapter: N00-N99 Diseases of the genitourinary system

Section: N20-N23 Urolithiasis

Category: N21 Calculus of lower urinary tract

urolithiasis icd 10

calculus icd 10

genitourinary icd 10

Billable/Specific Code

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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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