ICD-10-CM N25.1 is the diagnosis code for Nephrogenic diabetes insipidus. This code falls under the section "Other disorders of kidney and ureter" 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.
The following conditions should never be coded at the same time as N25.1. They are mutually exclusive:
Understanding where N25.1 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, N25.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
N25.1 is the ICD-10-CM diagnosis code for "Nephrogenic diabetes insipidus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of N25.1 is N25 ("Disorders resulting from impaired renal tubular function"). N25.1 provides a more specific classification within this category.
N25.1 is located in Section N25-N29 — "Other disorders of kidney and ureter" within Chapter 14 of the ICD-10-CM Tabular List.
Use N25.1 when the patients documented diagnosis matches "Nephrogenic diabetes insipidus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Nephrogenic diabetes insipidus is N25.1.
Yes, N25.1 can be used as a primary diagnosis code since it is billable and specific.
N25.1 is in Chapter 14 of the ICD-10-CM Tabular List.
Type 1 Excludes for N25.1 include: diabetes insipidus NOS (E23.2).
Yes, N25.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.