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ICD-10 Guide
ICD-10 CodesE04.9

E04.9

Billable

Nontoxic goiter, unspecified

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

Code Description

ICD-10 E04.9 is a billable code used to indicate a diagnosis of nontoxic goiter, unspecified.

Key Diagnostic Point:

Nontoxic goiter, unspecified, refers to an enlargement of the thyroid gland that is not associated with hyperthyroidism or malignancy. This condition can arise from various factors, including iodine deficiency, autoimmune disorders, or simply as a result of the body's response to environmental factors. The thyroid gland may enlarge due to increased demand for thyroid hormones or as a compensatory mechanism when hormone production is inadequate. In iodine-deficient regions, the lack of this essential nutrient leads to the thyroid's inability to produce sufficient hormones, prompting it to enlarge in an attempt to capture more iodine from the bloodstream. Clinically, patients may present with a visible swelling in the neck, but they often remain asymptomatic regarding thyroid function. Diagnosis typically involves thyroid function tests, including TSH, T3, and T4 levels, alongside imaging studies such as ultrasound to assess the size and structure of the goiter. Management may include monitoring, iodine supplementation, or surgical intervention if the goiter causes compressive symptoms or cosmetic concerns.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between toxic and nontoxic goiter
  • Understanding the underlying causes of goiter
  • Interpreting thyroid function tests accurately
  • Recognizing associated conditions like hypothyroidism or hyperthyroidism

Audit Risk Factors

  • Inadequate documentation of thyroid function tests
  • Failure to specify the type of goiter
  • Misinterpretation of symptoms related to thyroid dysfunction
  • Lack of follow-up documentation for monitoring

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Thorough documentation of thyroid function tests, imaging results, and clinical symptoms.

Common Clinical Scenarios

Patients presenting with neck swelling, abnormal thyroid function tests, or those with a history of iodine deficiency.

Billing Considerations

Endocrinologists must ensure that all relevant lab results and imaging studies are documented to support the diagnosis.

Primary Care

Documentation Requirements

Documentation of patient history, physical examination findings, and any referrals made for further evaluation.

Common Clinical Scenarios

Routine check-ups where thyroid enlargement is noted, or patients presenting with symptoms suggestive of thyroid dysfunction.

Billing Considerations

Primary care providers should document any family history of thyroid disease and any relevant lifestyle factors.

Coding Guidelines

Inclusion Criteria

Use E04.9 When
  • According to ICD
  • 10 guidelines, E04
  • 9 should be used when the goiter is not associated with hyperthyroidism or malignancy
  • Coders must ensure that the documentation supports the unspecified nature of the goiter and that no other specific codes apply

Exclusion Criteria

Do NOT use E04.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

84443CPT Code

Thyroid stimulating hormone (TSH)

Clinical Scenario

Used to evaluate thyroid function in patients with suspected goiter.

Documentation Requirements

Document the reason for the test and the patient's clinical presentation.

Specialty Considerations

Endocrinologists may require additional tests based on initial findings.

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, including nontoxic goiter. This specificity aids in better tracking of thyroid health and related conditions, improving patient care and management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of thyroid disorders, including nontoxic goiter. This specificity aids in better tracking of thyroid health and related conditions, improving patient care and management.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American Thyroid Association

Coding & Billing References

  • •
    American Thyroid Association

Frequently Asked Questions

What is the difference between nontoxic goiter and toxic goiter?

Nontoxic goiter is characterized by an enlarged thyroid gland without hyperthyroidism, while toxic goiter is associated with excessive thyroid hormone production, leading to hyperthyroid symptoms.