N13.0
Billable

Hydronephrosis with ureteropelvic junction obstruction

Billable / Specific Code

What is Hydronephrosis with ureteropelvic junction obstruction?

ICD-10-CM N13.0 is the diagnosis code for Hydronephrosis with ureteropelvic junction obstruction. This code falls under the section "Renal tubulo-interstitial diseases" within Chapter 14 — Diseases of the genitourinary system (N00-N99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
â„šī¸ Excludes2

Coding Guidelines for N13.0

✅ This Code Includes

  • Hydronephrosis due to acquired occlusion of ureteropelvic junction

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in N13.0. If the patient has both, code each condition separately:

  • Hydronephrosis with ureteropelvic junction obstruction due to calculus (N13.2)

ICD-10-CM Code Hierarchy

Understanding where N13.0 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeN13.0 — Hydronephrosis with ureteropelvic junction obstruction
Related Codes

Frequently Asked Questions

Is N13.0 a billable ICD-10-CM code?

Yes, N13.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does N13.0 mean?

N13.0 is the ICD-10-CM diagnosis code for "Hydronephrosis with ureteropelvic junction obstruction". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of N13.0?

The parent code of N13.0 is N13 ("Obstructive and reflux uropathy"). N13.0 provides a more specific classification within this category.

What section is N13.0 in?

N13.0 is located in Section N10-N16 — "Renal tubulo-interstitial diseases" within Chapter 14 of the ICD-10-CM Tabular List.

When should I use N13.0?

Use N13.0 when the patients documented diagnosis matches "Hydronephrosis with ureteropelvic junction obstruction" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Hydronephrosis with ureteropelvic junction obstruction?

The ICD-10-CM code for Hydronephrosis with ureteropelvic junction obstruction is N13.0.

Can N13.0 be used for primary diagnosis?

Yes, N13.0 can be used as a primary diagnosis code since it is billable and specific.

What chapter is N13.0 in?

N13.0 is in Chapter 14 of the ICD-10-CM Tabular List.

Is N13.0 valid for 2026?

Yes, N13.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousN13Obstructive and reflux uropathyNext →N13.1Hydronephrosis with ureteral stricture, not elsewhere classified
Code Details
N13.0
Hydronephrosis with ureteropelvic junction obstruction
Billable / Specific Code
14 — Diseases of the genitourinary system (N00-N99)
N10-N16 — Renal tubulo-interstitial diseases
2026 ICD-10-CM