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ICD-10 Guide
ICD-10 CodesE07.89

E07.89

Billable

Other specified disorders of thyroid

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

Code Description

ICD-10 E07.89 is a billable code used to indicate a diagnosis of other specified disorders of thyroid.

Key Diagnostic Point:

E07.89 encompasses a variety of thyroid disorders that do not fall under the more commonly classified conditions such as hyperthyroidism or hypothyroidism. These disorders may include conditions like thyroiditis, goiter, and other less common thyroid dysfunctions that can arise from autoimmune diseases, genetic factors, or environmental influences such as iodine deficiency. Iodine is essential for the synthesis of thyroid hormones, and its deficiency can lead to various thyroid disorders, including goiter and hypothyroidism. Hyperthyroidism, characterized by excessive hormone production, can also manifest in atypical forms that may not fit neatly into standard classifications. Accurate diagnosis often requires a combination of clinical evaluation, thyroid function tests (TFTs), and imaging studies. TFTs measure levels of thyroid hormones (T3, T4) and Thyroid Stimulating Hormone (TSH) to assess thyroid function. The complexity of E07.89 arises from the need for thorough documentation and understanding of the specific disorder, as well as the potential overlap with other thyroid conditions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of conditions included under this code
  • Need for precise documentation of specific thyroid disorders
  • Potential overlap with other thyroid codes
  • Variability in clinical presentation and laboratory results

Audit Risk Factors

  • Inadequate documentation of specific thyroid disorder
  • Misclassification of thyroid conditions
  • Failure to include relevant lab results
  • Lack of clarity in physician notes regarding diagnosis

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed clinical notes including patient history, lab results, and treatment plans.

Common Clinical Scenarios

Patients presenting with unexplained thyroid dysfunction, abnormal TFTs, or symptoms suggestive of thyroid disease.

Billing Considerations

Endocrinologists must ensure that all relevant tests and patient symptoms are documented to support the diagnosis.

Primary Care

Documentation Requirements

Comprehensive patient history and physical examination findings, including any referrals to specialists.

Common Clinical Scenarios

Routine screening for thyroid disorders, follow-up on abnormal lab results, and management of patients with known thyroid conditions.

Billing Considerations

Primary care providers should be aware of the need for thorough documentation to support any referrals or diagnoses.

Coding Guidelines

Inclusion Criteria

Use E07.89 When
  • According to ICD
  • 10 coding guidelines, E07
  • 89 should be used when the specific thyroid disorder is not classified elsewhere
  • Coders must ensure that the documentation supports the diagnosis and that all relevant tests and clinical findings are included

Exclusion Criteria

Do NOT use E07.89 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 suspected of having thyroid disorders.

Documentation Requirements

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

Specialty Considerations

Endocrinologists may require additional tests based on initial TSH results.

84436CPT Code

Thyroxine (T4), total

Clinical Scenario

Ordered when TSH levels are abnormal to assess thyroid function.

Documentation Requirements

Include indications for testing and any previous lab results.

Specialty Considerations

Primary care providers should ensure follow-up on abnormal results.

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 plans. E07.89 provides a means to capture less common thyroid disorders that may have been overlooked in ICD-9.

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 plans. E07.89 provides a means to capture less common thyroid disorders that may have been overlooked in ICD-9.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of thyroid disorders, improving the accuracy of diagnoses and treatment plans. E07.89 provides a means to capture less common thyroid disorders that may have been overlooked in ICD-9.

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 E07.89?

E07.89 includes various thyroid disorders that are not classified as hyperthyroidism or hypothyroidism, such as thyroiditis, goiter, and other less common thyroid dysfunctions.

How can I ensure accurate coding for E07.89?

To ensure accurate coding, provide detailed documentation of the patient's symptoms, lab results, and any diagnostic imaging. Be specific about the type of thyroid disorder when possible.