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ICD-10 Guide
ICD-10 CodesChapter 4: Endocrine, nutritional and metabolic diseasesE07

E07

Billable

Other disorders of thyroid

Chapter 4:Endocrine, nutritional and metabolic diseases

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

Code Description

ICD-10 E07 is a billable code used to indicate a diagnosis of other disorders of thyroid.

Key Diagnostic Point:

E07 encompasses a variety of thyroid disorders that do not fall under the more common categories of hyperthyroidism (E05) or hypothyroidism (E03). This code is used for conditions such as thyroiditis, goiter, and other non-toxic thyroid disorders that may arise from autoimmune processes, iodine deficiency, or other underlying health issues. Iodine deficiency, a significant global health concern, can lead to goiter and hypothyroidism, while autoimmune disorders like Hashimoto's thyroiditis and Graves' disease can cause abnormal thyroid function. Patients may present with symptoms such as fatigue, weight changes, and mood disturbances, necessitating thorough thyroid function tests (TFTs) to assess levels of thyroid hormones (T3, T4) and Thyroid-Stimulating Hormone (TSH). Accurate diagnosis and coding are crucial, as these disorders can significantly impact metabolic processes and overall health.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes (autoimmune, iodine deficiency, etc.)
  • Overlap with other thyroid codes (E03, E05)
  • Need for comprehensive thyroid function tests
  • Potential for misdiagnosis due to symptom overlap

Audit Risk Factors

  • Inadequate documentation of specific thyroid disorder
  • Failure to include relevant lab results (TFTs)
  • Misclassification of thyroid conditions
  • Lack of clarity on the patient's symptoms and history

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed clinical notes on thyroid function tests, patient history, and treatment plans.

Common Clinical Scenarios

Patients presenting with fatigue, weight changes, or goiter requiring evaluation of thyroid function.

Billing Considerations

Ensure all lab results are documented and correlate with clinical findings for accurate coding.

Primary Care

Documentation Requirements

Comprehensive patient history, symptom assessment, and referral notes to specialists if necessary.

Common Clinical Scenarios

Routine screening for thyroid disorders in patients with risk factors or presenting symptoms.

Billing Considerations

Document any referrals to endocrinology for further evaluation to support coding.

Coding Guidelines

Inclusion Criteria

Use E07 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the specific thyroid disorder
  • Include relevant lab results and clinical findings to support the diagnosis

Exclusion Criteria

Do NOT use E07 When
  • Exclude conditions that are specifically coded elsewhere

Related CPT Codes

84443CPT Code

Thyroid stimulating hormone (TSH)

Clinical Scenario

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

Documentation Requirements

Document the reason for the test and correlate with clinical findings.

Specialty Considerations

Endocrinologists may require more detailed lab results and patient history.

84436CPT Code

Thyroxine (T4)

Clinical Scenario

Ordered when evaluating for hypothyroidism or hyperthyroidism.

Documentation Requirements

Include indications for testing and results in the patient's record.

Specialty Considerations

Primary care providers should document symptoms leading to testing.

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, enabling better tracking of disease prevalence and treatment outcomes. E07 provides a distinct category for less common thyroid conditions, improving the granularity of data for research and clinical practice.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of thyroid disorders, enabling better tracking of disease prevalence and treatment outcomes. E07 provides a distinct category for less common thyroid conditions, improving the granularity of data for research and clinical practice.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of thyroid disorders, enabling better tracking of disease prevalence and treatment outcomes. E07 provides a distinct category for less common thyroid conditions, improving the granularity of data for research and clinical practice.

Resources

Clinical References

  • •
    American Thyroid Association
  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    American Thyroid Association
  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What types of conditions are included under E07?

E07 includes various thyroid disorders such as thyroiditis, goiter, and other non-toxic thyroid conditions that do not fall under hyperthyroidism or hypothyroidism.

How do I differentiate between E07 and E03 or E05?

E07 is used for other thyroid disorders that are not classified as hyperthyroidism (E05) or hypothyroidism (E03). Ensure that the specific condition is documented to select the appropriate code.