Billable / Specific Code
ICD-10-CM N13.721 is the diagnosis code for Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral. 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where N13.721 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, N13.721 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
N13.721 is the ICD-10-CM diagnosis code for "Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of N13.721 is N13.72 ("Vesicoureteral-reflux with reflux nephropathy without hydroureter"). N13.721 provides a more specific classification within this category.
N13.721 is located in Section N10-N16 — "Renal tubulo-interstitial diseases" within Chapter 14 of the ICD-10-CM Tabular List.
Use N13.721 when the patients documented diagnosis matches "Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral" 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 Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral is N13.721.
Yes, N13.721 can be used as a primary diagnosis code since it is billable and specific.
N13.721 is in Chapter 14 of the ICD-10-CM Tabular List.
Yes, N13.721 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.