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Home/Diagnosis/ICD-10 Coding for Ureteral Stone with Hydronephrosis

ICD-10 Coding for Ureteral Stone with Hydronephrosis

N13.2
N13.6

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

Also Known as:
Ureter Stone with Hydronephrosis
Ureteral Calculus with Hydronephrosis
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Key Information: ICD-10 Coding for Ureteral Stone with Hydronephrosis

Essential facts and insights about ICD-10 Coding for Ureteral Stone with Hydronephrosis

Use ICD-10 code N13.2 for hydronephrosis with renal and ureteral calculous obstruction, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hydronephrosis with renal and ureteral calculous obstruction

Billable Code
N13.2
Billable

Diagnostic Criteria

clinical:
  • • Imaging confirms hydronephrosis with stone
documentation:
  • • Explicit mention of hydronephrosis due to stone

Applicable To

  • • Hydronephrosis due to ureteral stone

Important Notes

  • • Ensure documentation explicitly links hydronephrosis to the stone.

Pyonephrosis

Billable Code
N13.6
Billable

Diagnostic Criteria

clinical:
  • • Positive urine culture
  • • Fever and leukocytosis

Applicable To

  • • Infected hydronephrosis

Important Notes

  • • Ensure infection is documented alongside hydronephrosis.
Ancillary Codes

Additional codes that may be used with this diagnosis

N20.1

Calculus of ureter

Use only if no hydronephrosis is present.

Frequently Asked Questions

What is the ICD-10 code for ureteral stone with hydronephrosis?

The ICD-10 code for ureteral stone with hydronephrosis is N13.2, which indicates hydronephrosis with renal and ureteral calculous obstruction.

When should N13.6 be used instead of N13.2?

Use N13.6 when there is an infection present with hydronephrosis and a stone, as it indicates pyonephrosis.

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