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ICD-10 Coding for Thyroid Mass(E04.1, E05.10, E07.9)

Complete ICD-10-CM coding and documentation guide for Thyroid Mass. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Thyroid NoduleThyroid Lesion

Related ICD-10 Code Ranges

Complete code families applicable to Thyroid Mass

E04-E07Primary Range

Disorders of thyroid gland

This range includes codes for various thyroid disorders, including nodules and masses.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
E04.1Nontoxic single thyroid noduleUse when a single nontoxic thyroid nodule is present with normal thyroid function tests.
  • Normal TSH levels
  • Single nodule confirmed by imaging
E05.10Thyrotoxicosis with toxic single thyroid noduleUse when a single thyroid nodule is associated with hyperthyroid symptoms and abnormal thyroid function tests.
  • Suppressed TSH levels
  • Elevated T4 levels
  • Symptoms of hyperthyroidism
E07.9Disorder of thyroid, unspecifiedUse when thyroid disorder is present but not further specified.
  • Lack of specific diagnosis or insufficient documentation

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for thyroid mass

Essential facts and insights about Thyroid Mass

The ICD-10 code for a nontoxic single thyroid nodule is E04.1, while E05.10 is used for a toxic single thyroid nodule.

Primary ICD-10-CM Codes for thyroid mass

Nontoxic single thyroid nodule
Billable Code

Decision Criteria

clinical Criteria

  • Normal TSH and single nodule on imaging

Applicable To

  • Solitary thyroid nodule

Excludes

  • Toxic single thyroid nodule (E05.10)

Clinical Validation Requirements

  • Normal TSH levels
  • Single nodule confirmed by imaging

Code-Specific Risks

  • Misclassification if thyroid function is abnormal

Coding Notes

  • Ensure documentation specifies nodule as nontoxic and single.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Ultrasound of the thyroid

76536
Use for imaging confirmation of nodule characteristics

Fine needle aspiration biopsy, including ultrasound guidance

10005
Use for biopsy of the nodule

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Thyrotoxicosis with toxic single thyroid nodule

E05.10
Presence of hyperthyroid symptoms and suppressed TSH levels

Nontoxic single thyroid nodule

E04.1
Normal thyroid function tests

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Thyroid Mass to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E04.1.

Impact

Clinical: Inaccurate treatment planning, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation Strategy

Ensure thyroid function tests are documented, Clarify nodule characteristics in reports

Impact

Reimbursement: Potential denial if thyroid function is abnormal, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate clinical data representation

Mitigation Strategy

Verify thyroid function tests are normal before coding.

Impact

Inadequate documentation of nodule characteristics and thyroid function.

Mitigation Strategy

Implement structured templates for thyroid evaluations.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Thyroid Mass, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Thyroid Mass

Use these documentation templates to ensure complete and accurate documentation for Thyroid Mass. These templates include all required elements for proper coding and billing.

Thyroid Nodule Evaluation

Specialty: Endocrinology

Required Elements

  • Nodule size and location
  • Thyroid function test results
  • Symptoms of hyperthyroidism
  • Imaging findings

Example Documentation

Patient presents with a 3 cm nodule in the right thyroid lobe. TSH is suppressed at 0.02 mIU/L, and free T4 is elevated at 2.8 ng/dL. Symptoms include weight loss and palpitations.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Thyroid mass noted.
Good Documentation Example
3 cm solid nodule in right thyroid lobe with suppressed TSH and elevated free T4. Patient reports weight loss and palpitations.
Explanation
The good example provides specific measurements, lab results, and symptoms, which are necessary for accurate coding.

Need help with ICD-10 coding for Thyroid Mass? Ask your questions below.

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