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ICD-10 Coding for Neurosyphilis(A52.1, A52.2, A52.3)

Complete ICD-10-CM coding and documentation guide for Neurosyphilis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Syphilitic MeningitisGeneral ParesisTabes Dorsalis

Related ICD-10 Code Ranges

Complete code families applicable to Neurosyphilis

A52.0-A52.9Primary Range

Late syphilis with clinical manifestations

This range includes all forms of late syphilis, including neurosyphilis, which is a critical aspect of syphilitic infections affecting the nervous system.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
A52.1Symptomatic neurosyphilisUse when specific symptoms of neurosyphilis are documented, such as dementia or ataxia.
  • CSF-VDRL reactive
  • MRI showing frontotemporal atrophy
  • Symptoms like dementia, ataxia
A52.2Asymptomatic neurosyphilisUse when CSF abnormalities are present but no neurological symptoms are documented.
  • CSF-VDRL reactive
  • Elevated CSF protein
  • Pleocytosis
A52.3Unspecified neurosyphilisUse only when specific details are unavailable and cannot be obtained.
  • Lack of specific symptoms or CSF findings

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for symptomatic neurosyphilis

Essential facts and insights about Neurosyphilis

The ICD-10 code for symptomatic neurosyphilis is A52.1, used when specific symptoms like dementia or ataxia are documented.

Primary ICD-10-CM Codes for neurosyphilis

Symptomatic neurosyphilis
Non-billable Code

Decision Criteria

clinical Criteria

  • Presence of neurological symptoms like ataxia or dementia.

Applicable To

  • Tabes dorsalis
  • General paresis
  • Charcot joint

Excludes

  • Asymptomatic neurosyphilis (A52.2)

Clinical Validation Requirements

  • CSF-VDRL reactive
  • MRI showing frontotemporal atrophy
  • Symptoms like dementia, ataxia

Code-Specific Risks

  • Misclassification if symptoms are not clearly documented.

Coding Notes

  • Ensure documentation specifies the subtype of symptomatic neurosyphilis.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

HIV disease

B20
Use when HIV is present and documented as unrelated to neurosyphilis.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Asymptomatic neurosyphilis

A52.2
Use A52.2 if CSF abnormalities are present without symptoms.

Symptomatic neurosyphilis

A52.1
Use A52.1 if symptoms like dementia or ataxia are present.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Neurosyphilis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code A52.1.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Increases risk of audit and compliance issues., Financial: Potential for reduced reimbursement.

Mitigation Strategy

Ensure detailed documentation of neurological symptoms., Include all relevant test results in the patient's record.

Impact

Reimbursement: May lead to lower reimbursement if unspecified code is used., Compliance: Increases audit risk due to lack of specificity., Data Quality: Reduces data accuracy and quality.

Mitigation Strategy

Ensure specific symptoms or CSF findings are documented to use A52.1 or A52.2.

Impact

High audit risk when using A52.3 without justification.

Mitigation Strategy

Ensure specific documentation is available to support the use of A52.1 or A52.2.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Neurosyphilis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Neurosyphilis

Use these documentation templates to ensure complete and accurate documentation for Neurosyphilis. These templates include all required elements for proper coding and billing.

Neurology H&P

Specialty: Neurology

Required Elements

  • History of syphilis
  • Neurological exam details
  • CSF findings
  • Imaging results

Example Documentation

1. History of syphilis: [Treatment dates][Serum RPR trends] 2. Neurological exam: [Pupillary reflexes][Gait assessment][Cognitive testing] 3. CSF findings: [VDRL result][Protein/WBC counts] 4. Imaging: [MRI/CT report with specific lesions] 5. Diagnosis: [Exact subtype, e.g., 'A52.11 - Tabes dorsalis']

Examples: Poor vs. Good Documentation

Poor Documentation Example
Neurosyphilis suspected.
Good Documentation Example
CSF-VDRL 1:4, protein 50 mg/dL. MRI demonstrates bilateral temporal lobe atrophy. Diagnosed with general paresis (A52.17).
Explanation
The good example provides specific test results and imaging findings, supporting the diagnosis.

Need help with ICD-10 coding for Neurosyphilis? Ask your questions below.

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