ICD-10 Guide

History Of Kidney Stones

ICD-10 Coding for History of Kidney Stones(Z87.442)

PRIMARY SPECIALTYUrology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is History Of Kidney Stones?

Essential facts and insights about History of Kidney Stones

Key Clinical Considerations:

Recurrent flank pain or renal colic
Hematuria (blood in urine)
Nausea and vomiting during acute episodes

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history of previous kidney stones
Details of stone composition if available
Frequency and severity of episodes

Coding Guidelines

Usage Guidelines & Examples

Use N20.0 for kidney stones, N20.1 for ureter stones.
Common errors include using unspecified codes when specific types are known.

Code Exclusions

Important Exclusions

Acute kidney injury due to obstruction (N17.9)
Other urinary tract disorders not related to stones

Specialty Focus

Primary Specialty

Urology

Specialty Applications

Adults with a history of nephrolithiasis
Urology clinics and emergency departments

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include history of stone formation, treatment history, and current symptoms.

Billing considerations?

Ensure accurate coding based on stone location and type for proper reimbursement.

History Of Kidney Stones

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?

History Of Kidney Stones

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?