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Home/Diagnosis/ICD-10 Coding for Kidney Stones

ICD-10 Coding for Kidney Stones

N20.0
N13.2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for kidney stones includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Renal Calculi
Urolithiasis
Urinary Stones
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Key Information: ICD-10 Coding for Kidney Stones

Essential facts and insights about ICD-10 Coding for Kidney Stones

Use ICD-10 code N20.0 for calculus of kidney, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Calculus of kidney

Billable Code
N20.0
Billable

Diagnostic Criteria

  • • Presence of kidney stone without hydronephrosis

Applicable To

  • • Renal calculus
  • • Kidney stone

Important Notes

  • • Ensure no hydronephrosis is documented when using this code.

Hydronephrosis with renal and ureteral calculous obstruction

Billable Code
N13.2
Billable

Diagnostic Criteria

  • • Imaging showing hydronephrosis with stone obstruction

Applicable To

  • • Obstructive uropathy due to stone

Important Notes

  • • Do not use with N20.0 due to Excludes1 note.
Ancillary Codes

Additional codes that may be used with this diagnosis

R31.9

Hematuria, unspecified

Use when hematuria is present with kidney stones.

R31.1

Gross hematuria

Use when gross hematuria is documented.

Frequently Asked Questions

What is the ICD-10 code for nephrolithiasis?

The primary ICD-10 code for nephrolithiasis is N20.0, used for kidney stones without obstruction. N13.2 is used when hydronephrosis is present due to a stone.

Can N20.0 and N13.2 be coded together?

No, N20.0 and N13.2 should not be coded together due to Excludes1 notes. Use N13.2 when hydronephrosis is present.

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