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ICD-10 Guide
ICD-10 CodesN35.9

N35.9

Billable

Urethral stricture, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/18/2025

Code Description

ICD-10 N35.9 is a billable code used to indicate a diagnosis of urethral stricture, unspecified.

Key Diagnostic Point:

Urethral stricture refers to a narrowing of the urethra, which can impede the flow of urine and lead to various urinary symptoms. This condition can arise from a variety of causes, including trauma, infection, inflammation, or previous surgical procedures. Urethral strictures can occur in both men and women, but they are more common in men due to the longer length of the male urethra. Symptoms may include difficulty urinating, a weak urine stream, urinary retention, and recurrent urinary tract infections (UTIs). Diagnosis typically involves a combination of patient history, physical examination, and imaging studies such as retrograde urethrograms or cystoscopy. Treatment options vary based on the severity and location of the stricture and may include dilation, urethrotomy, or surgical reconstruction. The unspecified nature of this code indicates that the specific cause or location of the stricture has not been documented, which can complicate treatment and management strategies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation of the cause of stricture
  • Differentiation from other urethral disorders
  • Potential for multiple underlying conditions
  • Need for precise anatomical localization

Audit Risk Factors

  • Inadequate documentation of the stricture's cause
  • Failure to specify the location of the stricture
  • Misclassification of urethral disorders
  • Inconsistent coding practices among providers

Specialty Focus

Medical Specialties

Urology

Documentation Requirements

Detailed patient history, including prior surgeries, infections, and symptoms; imaging studies; and treatment plans.

Common Clinical Scenarios

Patients presenting with urinary retention, recurrent UTIs, or post-surgical complications.

Billing Considerations

Ensure that the documentation clearly states the cause and location of the stricture when possible.

Primary Care

Documentation Requirements

Comprehensive review of urinary symptoms and any relevant medical history.

Common Clinical Scenarios

Patients with unexplained urinary symptoms or those referred to urology for further evaluation.

Billing Considerations

Document any referrals to specialists and the rationale for further evaluation.

Coding Guidelines

Inclusion Criteria

Use N35.9 When
  • According to ICD
  • 10 guidelines, N35
  • 9 should be used when the specific cause or location of the urethral stricture is not documented
  • Coders should ensure that the medical record supports the diagnosis and that any related conditions are also coded appropriately

Exclusion Criteria

Do NOT use N35.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

52310CPT Code

Cystourethroscopy, diagnostic

Clinical Scenario

Used to evaluate the urethra in patients with suspected strictures.

Documentation Requirements

Document indications for the procedure and findings.

Specialty Considerations

Urologists should ensure that the procedure is justified based on clinical symptoms.

53660CPT Code

Urethral dilation

Clinical Scenario

Performed to treat urethral strictures.

Documentation Requirements

Document the reason for dilation and any prior treatments.

Specialty Considerations

Urologists should document the extent of dilation and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of urethral strictures, enabling better tracking of patient outcomes and treatment efficacy. However, the unspecified nature of N35.9 may lead to challenges in treatment planning and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of urethral strictures, enabling better tracking of patient outcomes and treatment efficacy. However, the unspecified nature of N35.9 may lead to challenges in treatment planning and reimbursement.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What should I document to support the use of N35.9?

Document the patient's symptoms, any diagnostic tests performed, and the clinical rationale for diagnosing a urethral stricture. Include any relevant medical history that may contribute to the condition.