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ICD-10 Coding for Thyroid Disease(E03.9, E06.3, E89.0)

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

Also known as:

Thyroid DisorderThyroid Dysfunction

Related ICD-10 Code Ranges

Complete code families applicable to Thyroid Disease

E00-E07Primary Range

Disorders of thyroid gland

This range includes various thyroid conditions such as hypothyroidism, hyperthyroidism, goiter, and thyroiditis.

Postprocedural hypothyroidism

Used for hypothyroidism following a medical procedure, such as thyroidectomy.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
E03.9Hypothyroidism, unspecifiedUse when hypothyroidism is diagnosed but the specific cause is not documented.
  • TSH > 4.5 mIU/L
  • Symptoms of hypothyroidism
E06.3Autoimmune thyroiditisUse when autoimmune thyroiditis is confirmed by lab or histological findings.
  • Elevated TPO antibodies
  • Lymphocytic infiltration on biopsy
E89.0Postprocedural hypothyroidismUse when hypothyroidism occurs after a thyroid procedure.
  • History of thyroidectomy or other thyroid procedure
  • Elevated TSH post-procedure

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 unspecified hypothyroidism

Essential facts and insights about Thyroid Disease

The ICD-10 code for unspecified hypothyroidism is E03.9. It is used when the specific cause of hypothyroidism is not documented.

Primary ICD-10-CM Codes for thyroid disease

Hypothyroidism, unspecified
Billable Code

Decision Criteria

clinical Criteria

  • Presence of elevated TSH and clinical symptoms of hypothyroidism.

Applicable To

  • Unspecified hypothyroidism

Excludes

Clinical Validation Requirements

  • TSH > 4.5 mIU/L
  • Symptoms of hypothyroidism

Code-Specific Risks

  • Risk of under-documentation if specific cause is known but not recorded.

Coding Notes

  • Ensure to query for specific etiology if known.

Differential Codes

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

Hypothyroidism due to medications and other exogenous substances

E03.2
Use when hypothyroidism is due to drug therapy.

Acute thyroiditis

E06.0
Use for acute inflammation of the thyroid gland.

Hypothyroidism, unspecified

E03.9
Use when no procedural history is present.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Thyroid Disease to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E03.9.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims due to lack of specificity.

Mitigation Strategy

Always confirm type with lab or biopsy results.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use E89.0 for postprocedural cases.

Impact

Lack of documented symptoms leading to audits.

Mitigation Strategy

Document specific symptoms or history justifying the test.

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 Disease, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Thyroid Disease

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

Thyroid Disease Management

Specialty: Endocrinology

Required Elements

  • Patient symptoms
  • Lab results
  • Imaging findings
  • Medication adherence

Example Documentation

Patient presents with fatigue and weight gain. TSH elevated at 6.5 mIU/L. Ultrasound shows 2.5 cm nodule, TI-RADS 3.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has thyroid issues.
Good Documentation Example
Patient diagnosed with Hashimoto's thyroiditis, TPO antibodies >1000 IU/mL.
Explanation
The good example specifies the type of thyroiditis and provides lab confirmation.

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

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