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ICD-10 Guide
ICD-10 CodesB69.1

B69.1

Cysticercosis of central nervous system

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 B69.1 is a billable code used to indicate a diagnosis of cysticercosis of central nervous system.

Key Diagnostic Point:

Cysticercosis is a parasitic infection caused by the larval stage of the Taenia solium tapeworm, commonly known as the pork tapeworm. When the larvae invade the central nervous system (CNS), they can cause significant neurological symptoms and complications. The infection occurs when a person ingests eggs of the tapeworm, often through contaminated food or water. Once ingested, the eggs hatch in the intestines, and the larvae can migrate to various tissues, including the brain. Symptoms of CNS cysticercosis can include seizures, headaches, hydrocephalus, and focal neurological deficits, depending on the location and number of cysts present. Diagnosis is typically made through imaging studies such as MRI or CT scans, which can reveal the presence of cysts in the brain. Treatment often involves antiparasitic medications such as albendazole or praziquantel, along with symptomatic management for seizures and other neurological symptoms. In severe cases, surgical intervention may be necessary to remove cysts or relieve pressure on the brain.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between cysticercosis and other CNS infections.
  • Need for precise documentation of symptoms and imaging findings.
  • Potential for multiple coding scenarios based on severity and complications.
  • Variability in treatment approaches and their documentation.

Audit Risk Factors

  • Inadequate documentation of neurological symptoms.
  • Failure to document imaging studies that confirm diagnosis.
  • Misclassification of cysticercosis severity.
  • Inconsistent coding of related conditions such as seizures.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with seizures, headaches, or altered mental status.

Billing Considerations

Ensure that all neurological symptoms are documented to support the diagnosis.

Infectious Disease

Documentation Requirements

History of exposure, laboratory results, and treatment response.

Common Clinical Scenarios

Patients with a history of travel to endemic areas presenting with CNS symptoms.

Billing Considerations

Document any antiparasitic treatments and their outcomes.

Coding Guidelines

Inclusion Criteria

Use B69.1 When
  • Follow the official ICD
  • CM coding guidelines for infectious and parasitic diseases
  • Ensure accurate documentation of the site of infection and any associated complications
  • Include additional codes for symptoms such as seizures if applicable

Exclusion Criteria

Do NOT use B69.1 When
No specific exclusions found.

Related CPT Codes

96372CPT Code

Therapeutic, prophylactic, or diagnostic injection into the central nervous system

Clinical Scenario

Used when administering antiparasitic treatment directly related to CNS cysticercosis.

Documentation Requirements

Document the reason for injection and the specific medication used.

Specialty Considerations

Neurology specialists should ensure that the rationale for the procedure is clearly documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of cysticercosis, improving the accuracy of data collection and reimbursement processes. It has also enhanced the ability to track epidemiological trends related to this parasitic infection.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of cysticercosis, improving the accuracy of data collection and reimbursement processes. It has also enhanced the ability to track epidemiological trends related to this parasitic infection.

Reimbursement & Billing Impact

reimbursement processes. It has also enhanced the ability to track epidemiological trends related to this parasitic infection.

Resources

Clinical References

  • •
    CDC - Cysticercosis

Coding & Billing References

  • •
    CDC - Cysticercosis

Frequently Asked Questions

What are the common symptoms of cysticercosis of the CNS?

Common symptoms include seizures, headaches, hydrocephalus, and focal neurological deficits, which can vary based on the location and number of cysts.