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ICD-10 Guide
ICD-10 CodesChapter 14: Diseases of the genitourinary systemN31

N31

Non-billable

Neuromuscular dysfunction of bladder, not elsewhere classified

Chapter 14:Diseases of the genitourinary system

BILLABLE STATUSNo
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/12/2025

Code Description

ICD-10 N31 is a used to indicate a diagnosis of neuromuscular dysfunction of bladder, not elsewhere classified.

Key Diagnostic Point:

The ICD-10 Level 1 Category code N31 refers to neuromuscular dysfunction of the bladder that is not classified elsewhere. This category encompasses a variety of conditions that affect the normal functioning of the bladder due to neurological issues. These may include neurogenic bladder disorders resulting from conditions such as multiple sclerosis, spinal cord injuries, or other neurological diseases that disrupt the nerve signals responsible for bladder control. Understanding and coding these conditions accurately is essential for effective patient management and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

    Audit Risk Factors

      Specialty Focus

      Medical Specialties

      Urology

      Documentation Requirements

      Detailed history of urinary symptoms, neurological assessment, bladder diary, and results from urodynamic studies.

      Common Clinical Scenarios

      Patients with neurogenic bladder due to spinal cord injury, multiple sclerosis, or diabetic neuropathy presenting with incontinence or urinary retention.

      Billing Considerations

      Ensure differentiation between primary bladder disorders and those secondary to neurological conditions; include neurological evaluations in the documentation.

      Neurology

      Documentation Requirements

      Comprehensive neurological examination, history of neurological disorders, and impact on bladder function.

      Common Clinical Scenarios

      Patients with neurological diseases affecting bladder control, such as MS or Parkinson's disease presenting with urinary urgency or retention.

      Billing Considerations

      Document specific neurological diagnoses and their correlation with bladder dysfunction; consider comorbid conditions affecting management.

      Nephrology

      Documentation Requirements

      Assessment of kidney function, urinalysis, and comprehensive management plan addressing fluid balance and electrolyte status.

      Common Clinical Scenarios

      Patients with renal impairment from neurogenic bladder leading to urinary retention or recurrent urinary tract infections.

      Billing Considerations

      Monitor nephrotoxic medications and their impact on bladder management; coordinate with urology for comprehensive care.

      Internal Medicine

      Documentation Requirements

      Comprehensive medical history, review of medications, and assessment of comorbid conditions affecting bladder function.

      Common Clinical Scenarios

      Older adult patients with multiple comorbidities leading to urinary incontinence or retention due to neurological decline.

      Billing Considerations

      Consider age-related factors in bladder management; document medication review for potential side effects impacting bladder function.

      Related CPT Codes

      51726CPT Code

      Clinical Scenario

      Documentation Requirements

      Detailed patient history, indication for study, and complete results of the urodynamics.

      51728CPT Code

      Clinical Scenario

      Documentation Requirements

      Comprehensive assessment of bladder function and neurologic status; detailed report of findings.

      99214CPT Code

      Clinical Scenario

      Documentation Requirements

      Detailed history, examination findings, and management plan; assessment of treatment efficacy.

      50435CPT Code

      Clinical Scenario

      Documentation Requirements

      Indication for catheter placement, assessment of urinary retention, and consent for the procedure.

      51728CPT Code

      Clinical Scenario

      Documentation Requirements

      Comprehensive assessment of bladder function and neurologic status; detailed report of findings.

      ICD-10 Impact

      Diagnostic & Documentation Impact

      Enhanced Specificity

      ICD-10 Improvements

      The clinical impact of the N31 category is significant as it directly relates to patient quality of life and management of urinary symptoms. Accurate coding can enhance the understanding of population health trends related to neurological disorders and their effects on bladder function. Administratively, proper documentation and coding of N31 can influence quality measures and healthcare outcomes, ultimately leading to improved care strategies and resource allocation for affected populations.

      ICD-9 vs ICD-10

      The clinical impact of the N31 category is significant as it directly relates to patient quality of life and management of urinary symptoms. Accurate coding can enhance the understanding of population health trends related to neurological disorders and their effects on bladder function. Administratively, proper documentation and coding of N31 can influence quality measures and healthcare outcomes, ultimately leading to improved care strategies and resource allocation for affected populations.

      Reimbursement & Billing Impact

      Reimbursement considerations may vary based on the complexity of the case and the specific treatments provided, such as catheterization or bladder training programs. It is important to stay updated on payer policies regarding neuromuscular bladder dysfunction to avoid claim denials.

      Resources

      Clinical References

      • •
        American Urological Association Guidelines
      • •
        National Multiple Sclerosis Society
      • •
        Urology Care Foundation
      • •
        American Academy of Neurology Practice Guidelines
      • •
        Nephrology Self-Assessment Program

      Coding & Billing References

      • •
        American Urological Association Guidelines
      • •
        National Multiple Sclerosis Society
      • •
        Urology Care Foundation
      • •
        American Academy of Neurology Practice Guidelines
      • •
        Nephrology Self-Assessment Program

      Frequently Asked Questions

      What conditions are included in N31?

      N31 includes various neuromuscular dysfunctions of the bladder such as neurogenic bladder due to spinal cord injury, multiple sclerosis, and other neurological disorders that impair bladder control.

      When should I use N31 codes?

      N31 codes should be used when diagnosing patients with bladder dysfunction that is directly related to neurological conditions, ensuring that the specific neurological cause is documented.

      What documentation is required for N31?

      Documentation should include a detailed patient history, neurological evaluation results, and any relevant diagnostic tests that support the diagnosis of neuromuscular dysfunction of the bladder.