ICD-10-CM N35 is the diagnosis code for Urethral stricture. This code falls under the section "Other diseases of the urinary system" 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 N35. They are mutually exclusive:
Understanding where N35 sits in the ICD-10-CM classification helps ensure proper coding:
No, N35 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
N35 is the ICD-10-CM diagnosis code for "Urethral stricture". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
N35 is located in Section N30-N39 — "Other diseases of the urinary system" within Chapter 14 of the ICD-10-CM Tabular List.
N35 has 4 sub-code(s) that provide more specific detail: N35.0, N35.1, N35.8, N35.9.
Use N35 when the patients documented diagnosis matches "Urethral stricture" 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 Urethral stricture is N35.
No, N35 is non-billable. Use a more specific sub-code for primary diagnosis billing.
N35 is in Chapter 14 of the ICD-10-CM Tabular List.
Type 1 Excludes for N35 include: congenital urethral stricture (Q64.3-); postprocedural urethral stricture (N99.1-).
Yes, N35 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.