N13.6
Billable

Pyonephrosis

Billable / Specific Code

What is Pyonephrosis?

ICD-10-CM N13.6 is the diagnosis code for Pyonephrosis. 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

Coding Guidelines for N13.6

✅ This Code Includes

  • Conditions in N13.0-N13.5 with infection
  • Obstructive uropathy with infection

ICD-10-CM Code Hierarchy

Understanding where N13.6 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is N13.6 a billable ICD-10-CM code?

Yes, N13.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does N13.6 mean?

N13.6 is the ICD-10-CM diagnosis code for "Pyonephrosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of N13.6?

The parent code of N13.6 is N13 ("Obstructive and reflux uropathy"). N13.6 provides a more specific classification within this category.

What section is N13.6 in?

N13.6 is located in Section N10-N16 — "Renal tubulo-interstitial diseases" within Chapter 14 of the ICD-10-CM Tabular List.

When should I use N13.6?

Use N13.6 when the patients documented diagnosis matches "Pyonephrosis" 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 Pyonephrosis?

The ICD-10-CM code for Pyonephrosis is N13.6.

Can N13.6 be used for primary diagnosis?

Yes, N13.6 can be used as a primary diagnosis code since it is billable and specific.

What chapter is N13.6 in?

N13.6 is in Chapter 14 of the ICD-10-CM Tabular List.

Is N13.6 valid for 2026?

Yes, N13.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousN13.5Crossing vessel and stricture of ureter without hydronephrosisNext →N13.7Vesicoureteral-reflux
Code Details
N13.6
Pyonephrosis
Billable / Specific Code
14 — Diseases of the genitourinary system (N00-N99)
N10-N16 — Renal tubulo-interstitial diseases
2026 ICD-10-CM