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ICD-10 Guide
ICD-10 CodesB67.31

B67.31

Echinococcus granulosus infection, thyroid gland

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

Code Description

ICD-10 B67.31 is a billable code used to indicate a diagnosis of echinococcus granulosus infection, thyroid gland.

Key Diagnostic Point:

Echinococcus granulosus infection, commonly known as hydatid disease, is a parasitic infection caused by the larval stage of the Echinococcus granulosus tapeworm. This helminthic infection primarily affects the liver and lungs but can also involve other organs, including the thyroid gland. The infection occurs when humans ingest eggs from contaminated food or water, leading to the formation of cysts in various tissues. In the thyroid gland, these cysts can cause symptoms such as swelling, pain, and dysfunction of thyroid hormone production. Diagnosis is typically made through imaging studies, such as ultrasound or CT scans, which reveal cystic lesions. Treatment often involves surgical intervention to remove the cysts, and antiparasitic medications like albendazole may be used to prevent recurrence. The management of Echinococcus infections requires a multidisciplinary approach, including endocrinology and infectious disease specialists, to address both the parasitic infection and any resultant thyroid dysfunction.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between cystic and solid thyroid lesions.
  • Understanding the specific parasitic life cycle and transmission routes.
  • Identifying the need for imaging studies to confirm diagnosis.
  • Co-morbid conditions that may complicate treatment.

Audit Risk Factors

  • Inadequate documentation of imaging studies.
  • Failure to specify the organ involved.
  • Misclassification of the type of cyst (e.g., hydatid vs. non-hydatid).
  • Lack of clarity in treatment plans.

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Thorough documentation of thyroid function tests and imaging results.

Common Clinical Scenarios

Patients presenting with thyroid nodules or dysfunction.

Billing Considerations

Need for collaboration with infectious disease specialists for comprehensive management.

Infectious Disease

Documentation Requirements

Detailed history of exposure and diagnostic imaging findings.

Common Clinical Scenarios

Patients with travel history to endemic areas presenting with cystic lesions.

Billing Considerations

Awareness of the need for antiparasitic treatment and follow-up.

Coding Guidelines

Inclusion Criteria

Use B67.31 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the infection site and any related complications
  • Include additional codes for any associated conditions, such as hypothyroidism or other organ involvement

Exclusion Criteria

Do NOT use B67.31 When
No specific exclusions found.

Related CPT Codes

60240CPT Code

Thyroidectomy, total or subtotal

Clinical Scenario

Performed for removal of hydatid cysts in the thyroid.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Endocrinologists and surgeons must collaborate for optimal outcomes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of parasitic infections, improving the accuracy of data collection and reimbursement processes. B67.31 provides a clear distinction for Echinococcus granulosus infections affecting the thyroid, which was less specific in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of parasitic infections, improving the accuracy of data collection and reimbursement processes. B67.31 provides a clear distinction for Echinococcus granulosus infections affecting the thyroid, which was less specific in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. B67.31 provides a clear distinction for Echinococcus granulosus infections affecting the thyroid, which was less specific in ICD-9.

Resources

Clinical References

  • •
    CDC - Echinococcosis

Coding & Billing References

  • •
    CDC - Echinococcosis

Frequently Asked Questions

What are the common symptoms of Echinococcus granulosus infection in the thyroid?

Symptoms may include swelling in the neck, pain, and signs of thyroid dysfunction such as fatigue, weight changes, and changes in mood due to hormonal imbalances.