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Home/Diagnosis/ICD-10 Coding for Hydroureter

ICD-10 Coding for Hydroureter

N13.4
N13.2

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

Also Known as:
Ureteral dilation
Ureteral swelling
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Key Information: ICD-10 Coding for Hydroureter

Essential facts and insights about ICD-10 Coding for Hydroureter

Use ICD-10 code N13.4 for hydroureter, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hydroureter

Billable Code
N13.4
Billable

Diagnostic Criteria

clinical:
  • • Ureteral dilation >3mm without obstruction
documentation:
  • • Specify laterality and measure diameter

Applicable To

  • • Non-obstructive hydroureter

Important Notes

  • • Document the ureteral diameter and confirm absence of obstruction.

Hydronephrosis with ureteral calculus

Billable Code
N13.2
Billable

Diagnostic Criteria

clinical:
  • • Imaging confirmation of stone causing obstruction

Applicable To

  • • Obstructive uropathy due to stone

Important Notes

  • • Ensure stone presence is documented with imaging.
Ancillary Codes

Additional codes that may be used with this diagnosis

N13.71

Unilateral hydroureter

Use to specify laterality when hydroureter affects one side.

Frequently Asked Questions

What is the ICD-10 code for hydroureter?

The ICD-10 code for hydroureter is N13.4, used for non-obstructive ureteral dilation.

How do you code hydroureter with a stone?

For hydroureter with a stone causing obstruction, use ICD-10 code N13.2.

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