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Home/Diagnosis/ICD-10 Coding for Hydroureteronephrosis

ICD-10 Coding for Hydroureteronephrosis

N13.32
N13.6

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

Also Known as:
Obstructive uropathy
Ureteral obstruction with hydronephrosis
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Key Information: ICD-10 Coding for Hydroureteronephrosis

Essential facts and insights about ICD-10 Coding for Hydroureteronephrosis

Use ICD-10 code N13.32 for calculus obstruction of ureter, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Calculus obstruction of ureter

Non-Billable
N13.32
Non-Billable

Diagnostic Criteria

  • • Presence of ureteral stone and hydronephrosis

Applicable To

  • • Ureteral stone causing obstruction

Important Notes

  • • Ensure hydronephrosis is documented; do not use with N20.0.

Pyonephrosis

Billable Code
N13.6
Billable

Diagnostic Criteria

  • • Positive urine culture
  • • Fever and leukocytosis

Applicable To

  • • Infection of the kidney with pus formation

Important Notes

  • • Document the organism causing the infection.
Ancillary Codes

Additional codes that may be used with this diagnosis

B96.20

Unspecified Escherichia coli [E. coli] as the cause of diseases classified elsewhere

Use when E. coli is identified as the infectious agent in pyonephrosis.

Frequently Asked Questions

What is the ICD-10 code for hydroureteronephrosis?

The ICD-10 code for hydroureteronephrosis due to a ureteral stone is N13.32. If infection is present, use N13.6.

How do you code hydroureteronephrosis with infection?

Code N13.6 for pyonephrosis when infection is present with hydroureteronephrosis, and include the organism code.

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