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ICD-10 Coding for Bladder Stone(N21.0)

Complete ICD-10-CM coding and documentation guide for Bladder Stone. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Vesical CalculusBladder Calculus

Related ICD-10 Code Ranges

Complete code families applicable to Bladder Stone

Calculus of kidney and ureter

Includes codes for urinary calculi but not specific to bladder stones.

N21Primary Range

Calculus of lower urinary tract

Primary range for bladder stones, including specific codes for bladder and urethral calculi.

Key Information: ICD-10 code for bladder stone

Essential facts and insights about Bladder Stone

The ICD-10 code for bladder stone is N21.0, used for calculus in the bladder.

Primary ICD-10-CM Code for bladder stone

Calculus in bladder
Billable Code

Decision Criteria

clinical Criteria

  • Presence of stone in bladder confirmed by imaging.

coding Criteria

  • Do not use for stones in the kidney or ureter.

Applicable To

  • Bladder stone
  • Vesical calculus

Excludes

  • Calculus of kidney and ureter (N20.-)

Clinical Validation Requirements

  • Imaging confirmation of stone in bladder
  • Symptoms such as hematuria or dysuria

Code-Specific Risks

  • Confusion with N20.2, which is for kidney and ureter stones.

Coding Notes

  • Ensure documentation specifies stone location and size for accurate coding.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Urinary tract infection

N39.0
Use if there is a concurrent UTI with the bladder stone.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Ureteral calculus

N20.1
Use for stones located in the ureter, not the bladder.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Bladder Stone to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N21.0.

Impact

Clinical: Inadequate treatment planning., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials or reduced reimbursement.

Mitigation Strategy

Ensure imaging results are reviewed and documented., Train staff on importance of detailed operative notes.

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate medical records and statistics.

Mitigation Strategy

Verify stone location via imaging to ensure correct code selection.

Impact

Lack of imaging documentation to support bladder stone diagnosis.

Mitigation Strategy

Require imaging reports for all bladder stone diagnoses.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Bladder Stone, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Bladder Stone

Use these documentation templates to ensure complete and accurate documentation for Bladder Stone. These templates include all required elements for proper coding and billing.

Bladder Stone Removal

Specialty: Urology

Required Elements

  • Stone size
  • Location
  • Removal method
  • Imaging results

Example Documentation

Cystoscopy revealed a 3 cm stone in the bladder, removed via lithotripsy.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Bladder stone removed.
Good Documentation Example
Cystoscopy identified a 3 cm calcium oxalate stone in the bladder dome, removed via lithotripsy.
Explanation
The good example specifies stone size, composition, and removal method, which are critical for accurate coding.

Need help with ICD-10 coding for Bladder Stone? Ask your questions below.

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