Non-Billable / Non-Specific Code
ICD-10-CM N26 is the diagnosis code for Unspecified contracted kidney. 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 N26. They are mutually exclusive:
Understanding where N26 sits in the ICD-10-CM classification helps ensure proper coding:
No, N26 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
N26 is the ICD-10-CM diagnosis code for "Unspecified contracted kidney". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
N26 is located in Section N25-N29 — "Other disorders of kidney and ureter" within Chapter 14 of the ICD-10-CM Tabular List.
N26 has 3 sub-code(s) that provide more specific detail: N26.1, N26.2, N26.9.
Use N26 when the patients documented diagnosis matches "Unspecified contracted kidney" 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 Unspecified contracted kidney is N26.
No, N26 is non-billable. Use a more specific sub-code for primary diagnosis billing.
N26 is in Chapter 14 of the ICD-10-CM Tabular List.
Type 1 Excludes for N26 include: contracted kidney due to hypertension (I12.-); diffuse sclerosing glomerulonephritis (N05.8.-); hypertensive nephrosclerosis (arteriolar) (arteriosclerotic) (I12.-) and more.
Yes, N26 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.