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ICD-10 Coding for History of Renal Calculi(Z87.442, N20.0)

Complete ICD-10-CM coding and documentation guide for History of Renal Calculi. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

History of Kidney StonesPast Renal Stones

Related ICD-10 Code Ranges

Complete code families applicable to History of Renal Calculi

Z87.44-Z87.442Primary Range

Personal history of diseases of the genitourinary system

This range includes codes for personal history of urinary calculi, specifically Z87.442 for renal calculi.

Calculus of kidney and ureter

This range includes codes for active kidney stones, which are relevant for differential diagnosis.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z87.442Personal history of urinary calculiUse when documenting a resolved history of kidney stones without current symptoms.
  • Documentation of previous imaging confirming stones
  • Records of past treatments such as lithotripsy
  • Stone analysis reports
N20.0Calculus of kidneyUse for active kidney stones with symptoms.
  • Current imaging showing stones
  • Symptoms such as flank pain or hematuria

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for history of renal calculi

Essential facts and insights about History of Renal Calculi

The ICD-10 code for history of renal calculi is Z87.442, indicating a resolved history of kidney stones.

Primary ICD-10-CM Codes for history of renal calculi

Personal history of urinary calculi
Billable Code

Decision Criteria

clinical Criteria

  • Patient has no current symptoms and stones are resolved.

documentation Criteria

  • Past imaging and treatment records are available.

Applicable To

  • History of kidney stones
  • History of renal calculi

Excludes

  • Current kidney stones (N20.0)

Clinical Validation Requirements

  • Documentation of previous imaging confirming stones
  • Records of past treatments such as lithotripsy
  • Stone analysis reports

Code-Specific Risks

  • Incorrectly coding as active stones when asymptomatic
  • Omitting relevant past treatment details

Coding Notes

  • Ensure documentation specifies the history and resolution of stones.

Differential Codes

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

Calculus of kidney

N20.0
Use N20.0 for active stones with symptoms like flank pain.

Personal history of urinary calculi

Z87.442
Use Z87.442 for resolved history without symptoms.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Renal Calculi to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z87.442.

Impact

Clinical: Incomplete patient history., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation Strategy

Use templates to ensure completeness, Review past records for treatment details

Impact

Reimbursement: Incorrect coding can lead to claim denials., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.

Mitigation Strategy

Use Z87.442 for history without current symptoms.

Impact

Confusion between coding history and active stones.

Mitigation Strategy

Ensure clear documentation of symptom status and treatment history.

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 History of Renal Calculi, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Renal Calculi

Use these documentation templates to ensure complete and accurate documentation for History of Renal Calculi. These templates include all required elements for proper coding and billing.

Follow-up for resolved kidney stones

Specialty: Urology

Required Elements

  • Patient history
  • Past treatment details
  • Current symptom status

Example Documentation

Patient with history of calcium oxalate stones, treated with lithotripsy in 2022, currently asymptomatic.

Examples: Poor vs. Good Documentation

Poor Documentation Example
History of stones.
Good Documentation Example
History of calcium oxalate renal calculi, treated with ESWL in 2022, no recurrence.
Explanation
The good example provides specific details about the type of stones and treatment.

Need help with ICD-10 coding for History of Renal Calculi? Ask your questions below.

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