N10
Billable

Acute pyelonephritis

Billable / Specific Code

What is Acute pyelonephritis?

ICD-10-CM N10 is the diagnosis code for Acute pyelonephritis. 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 N10

✅ This Code Includes

  • Acute infectious interstitial nephritis
  • Acute pyelitis
  • Acute tubulo-interstitial nephritis
  • Hemoglobin nephrosis
  • Myoglobin nephrosis

ICD-10-CM Code Hierarchy

Understanding where N10 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is N10 a billable ICD-10-CM code?

Yes, N10 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does N10 mean?

N10 is the ICD-10-CM diagnosis code for "Acute pyelonephritis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is N10 in?

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

When should I use N10?

Use N10 when the patients documented diagnosis matches "Acute pyelonephritis" 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 Acute pyelonephritis?

The ICD-10-CM code for Acute pyelonephritis is N10.

Can N10 be used for primary diagnosis?

Yes, N10 can be used as a primary diagnosis code since it is billable and specific.

What chapter is N10 in?

N10 is in Chapter 14 of the ICD-10-CM Tabular List.

Is N10 valid for 2026?

Yes, N10 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousN08Glomerular disorders in diseases classified elsewhereNext →N11Chronic tubulo-interstitial nephritis
Code Details
N10
Acute pyelonephritis
Billable / Specific Code
14 — Diseases of the genitourinary system (N00-N99)
N10-N16 — Renal tubulo-interstitial diseases
2026 ICD-10-CM