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Home/Diagnosis/ICD-10 Coding for Renal Stone

ICD-10 Coding for Renal Stone

N20.0
N20.1
N13.2

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

Also Known as:
Kidney Stone
Nephrolithiasis
Urolithiasis
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Key Information: ICD-10 Coding for Renal Stone

Essential facts and insights about ICD-10 Coding for Renal Stone

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

  • • Imaging confirms stone in kidney

Applicable To

  • • Staghorn calculus

Important Notes

  • • Ensure documentation specifies the location and size of the stone.

Calculus of ureter

Billable Code
N20.1
Billable

Important Notes

  • • Ensure documentation specifies the location and any associated obstruction.

Hydronephrosis with calculus of kidney and ureter

Billable Code
N13.2
Billable

Important Notes

  • • Sequence N13.2 before N20.0 or N20.1 when hydronephrosis is present.
Ancillary Codes

Additional codes that may be used with this diagnosis

R31.0

Gross hematuria

Use when hematuria is present alongside the renal stone.

N13.2

Hydronephrosis with calculus of kidney and ureter

Use when hydronephrosis is present with ureteral stone.

N17.9

Acute kidney failure, unspecified

Use when acute kidney failure is present.

Frequently Asked Questions

What is the ICD-10 code for a kidney stone?

The ICD-10 code for a kidney stone is N20.0, which is used when a stone is confirmed in the kidney without ureteral involvement.

How do you code a kidney stone with hydronephrosis?

Use ICD-10 code N13.2 for hydronephrosis with calculus of kidney and ureter when hydronephrosis is present with a stone.

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