ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesZ13.85

Z13.85

Encounter for screening for nervous system disorders

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

Code Description

ICD-10 Z13.85 is a billable code used to indicate a diagnosis of encounter for screening for nervous system disorders.

Key Diagnostic Point:

Z13.85 is utilized during encounters specifically aimed at screening for nervous system disorders, which may include conditions such as dementia, Parkinson's disease, and other neurodegenerative disorders. This code is essential in preventive care, as early detection can significantly improve management and outcomes for patients. Social determinants of health, such as socioeconomic status, education, and access to healthcare, play a crucial role in the screening process. Patients from disadvantaged backgrounds may have limited access to screening services, which can delay diagnosis and treatment. Preventive care initiatives often focus on increasing awareness and access to screenings, particularly in high-risk populations. Documentation must reflect the purpose of the encounter, the specific screening tests performed, and any relevant patient history that may influence the risk of nervous system disorders. This code is vital for tracking health trends and ensuring that patients receive appropriate follow-up care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Need for comprehensive patient history to justify screening
  • Variability in screening protocols across different providers
  • Documentation of social determinants impacting health
  • Potential overlap with other Z codes for preventive services

Audit Risk Factors

  • Inadequate documentation of the reason for screening
  • Failure to document patient history relevant to nervous system disorders
  • Use of the code without appropriate screening tests performed
  • Inconsistent application of screening guidelines

Specialty Focus

Medical Specialties

Primary Care

Documentation Requirements

Documentation should include the patient's risk factors, screening tests performed, and any relevant findings. It is essential to note any referrals made for further evaluation.

Common Clinical Scenarios

Routine checkups where screening for cognitive decline is performed, follow-up visits for patients with risk factors for neurological disorders.

Billing Considerations

Consideration of social determinants such as access to care, education level, and family history of neurological disorders.

Public Health

Documentation Requirements

Documentation should focus on population health data, including demographics and prevalence of neurological disorders in specific communities.

Common Clinical Scenarios

Community health screenings aimed at early detection of neurological disorders, epidemiological studies assessing the impact of social determinants on health outcomes.

Billing Considerations

Emphasis on tracking health disparities and ensuring equitable access to screening services.

Coding Guidelines

Inclusion Criteria

Use Z13.85 When
  • Z codes are used to indicate encounters for reasons other than a current illness or injury
  • 85 should be used when a patient is being screened for nervous system disorders, and it should be sequenced appropriately based on the primary diagnosis
  • Payer requirements may vary, so it is essential to verify coverage for preventive screenings

Exclusion Criteria

Do NOT use Z13.85 When
No specific exclusions found.

Related CPT Codes

96110CPT Code

Developmental screening, with interpretation and report

Clinical Scenario

Used in conjunction with Z13.85 when developmental screenings are performed for children.

Documentation Requirements

Documentation must include the specific tests performed and results.

Specialty Considerations

Primary care providers should ensure that screenings are age-appropriate and follow established guidelines.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding, enabling better tracking of screening efforts for nervous system disorders and improving the ability to address health disparities.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding, enabling better tracking of screening efforts for nervous system disorders and improving the ability to address health disparities.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    CDC Guidelines for Cognitive Impairment Screening

Coding & Billing References

  • •
    CDC Guidelines for Cognitive Impairment Screening

Frequently Asked Questions

What documentation is required for Z13.85?

Documentation must include the reason for the screening, any relevant patient history, the specific tests performed, and results. It should also address any social determinants that may impact the patient's health status.