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ICD-10 Guide
ICD-10 CodesE05.0

E05.0

Billable

Thyrotoxicosis with diffuse goiter

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

Code Description

ICD-10 E05.0 is a billable code used to indicate a diagnosis of thyrotoxicosis with diffuse goiter.

Key Diagnostic Point:

Thyrotoxicosis with diffuse goiter is a condition characterized by an excess of thyroid hormones in the bloodstream, often resulting from hyperactivity of the thyroid gland. This condition is commonly associated with Graves' disease, an autoimmune disorder that leads to the overproduction of thyroid hormones and the enlargement of the thyroid gland, known as goiter. Patients may present with symptoms such as weight loss, increased appetite, anxiety, tremors, heat intolerance, and palpitations. The diffuse goiter indicates that the enlargement of the thyroid gland is uniform rather than nodular. Diagnosis typically involves clinical evaluation, thyroid function tests, and imaging studies. Thyroid function tests measure levels of Thyroid Stimulating Hormone (TSH), Free T4, and Free T3, which are crucial for confirming hyperthyroidism. Management may include antithyroid medications, radioactive iodine therapy, or surgical intervention, depending on the severity and underlying cause of the thyrotoxicosis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between various types of hyperthyroidism
  • Understanding the relationship between symptoms and lab results
  • Identifying the underlying cause of thyrotoxicosis
  • Documenting the presence of diffuse goiter accurately

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to include thyroid function test results
  • Misclassification of goiter type
  • Inconsistent treatment documentation

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Thorough documentation of thyroid function tests, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with symptoms of hyperthyroidism, routine follow-ups for thyroid management, and pre-operative evaluations for thyroid surgery.

Billing Considerations

Endocrinologists must ensure that all relevant lab results and clinical findings are documented to support the diagnosis and treatment plan.

Primary Care

Documentation Requirements

Detailed patient history, physical examination findings, and referrals to specialists if necessary.

Common Clinical Scenarios

Initial evaluation of patients with symptoms of hyperthyroidism and management of mild cases.

Billing Considerations

Primary care providers should document any referrals and follow-up care to ensure continuity of care.

Coding Guidelines

Inclusion Criteria

Use E05.0 When
  • According to ICD
  • 10 coding guidelines, E05
  • 0 should be used when there is clear documentation of thyrotoxicosis with diffuse goiter
  • It is essential to include relevant lab results and clinical findings to support the diagnosis

Exclusion Criteria

Do NOT use E05.0 When
  • Exclusion criteria include conditions that do not involve diffuse goiter or are related to other forms of thyroid dysfunction

Related ICD-10 Codes

Related CPT Codes

84443CPT Code

Thyroid stimulating hormone (TSH)

Clinical Scenario

Used to evaluate thyroid function in patients suspected of having thyrotoxicosis.

Documentation Requirements

Document the reason for the test and any relevant clinical findings.

Specialty Considerations

Endocrinologists may require additional tests to confirm diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of thyroid disorders, improving the accuracy of diagnoses and treatment tracking. E05.0 provides a clear distinction for thyrotoxicosis with diffuse goiter, enhancing clinical data quality.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of thyroid disorders, improving the accuracy of diagnoses and treatment tracking. E05.0 provides a clear distinction for thyrotoxicosis with diffuse goiter, enhancing clinical data quality.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of thyroid disorders, improving the accuracy of diagnoses and treatment tracking. E05.0 provides a clear distinction for thyrotoxicosis with diffuse goiter, enhancing clinical data quality.

Resources

Clinical References

  • •
    American Thyroid Association Guidelines

Coding & Billing References

  • •
    American Thyroid Association Guidelines

Frequently Asked Questions

What are the common symptoms of thyrotoxicosis with diffuse goiter?

Common symptoms include weight loss, increased appetite, anxiety, tremors, heat intolerance, and palpitations. Patients may also experience fatigue and muscle weakness.