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ICD-10 Coding for Hypothyroidism due to Hashimoto's Thyroiditis(E06.3)

Complete ICD-10-CM coding and documentation guide for Hypothyroidism due to Hashimoto's Thyroiditis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Autoimmune ThyroiditisChronic Lymphocytic Thyroiditis

Related ICD-10 Code Ranges

Complete code families applicable to Hypothyroidism due to Hashimoto's Thyroiditis

E06-E07Primary Range

Disorders of thyroid gland

This range includes codes for thyroiditis and hypothyroidism, specifically E06.3 for Hashimoto's thyroiditis.

Key Information: ICD-10 code for hypothyroidism due to Hashimoto's thyroiditis

Essential facts and insights about Hypothyroidism due to Hashimoto's Thyroiditis

The ICD-10 code for hypothyroidism due to Hashimoto's thyroiditis is E06.3, which covers autoimmune thyroiditis.

Primary ICD-10-CM Code for hypothyroidism due to hashimoto's thyroiditis

Autoimmune thyroiditis
Billable Code

Decision Criteria

clinical Criteria

  • Presence of TPO antibodies and ultrasound findings

documentation Criteria

  • Explicit documentation linking hypothyroidism to Hashimoto's

Applicable To

  • Hashimoto's thyroiditis

Excludes

  • Other forms of thyroiditis

Clinical Validation Requirements

  • Elevated TSH levels
  • Low free T4 levels
  • Positive TPO antibodies
  • Ultrasound showing heterogeneous thyroid

Code-Specific Risks

  • Incorrectly coding as unspecified hypothyroidism
  • Failing to document the autoimmune nature

Coding Notes

  • E06.3 inherently includes hypothyroidism due to its autoimmune nature.

Ancillary Codes

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

Other specified hypothyroidism

E03.8
Use if hypothyroidism is a separate, distinct condition requiring specific management.

Differential Codes

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

Hypothyroidism, unspecified

E03.9
Use E03.9 only if hypothyroidism is not linked to Hashimoto's.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Hypothyroidism due to Hashimoto's Thyroiditis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E06.3.

Impact

Clinical: Misrepresentation of patient's condition, Regulatory: Non-compliance with coding standards, Financial: Potential reimbursement issues

Mitigation Strategy

Educate providers on documentation requirements, Implement checklist for thyroiditis documentation

Impact

Reimbursement: May lead to incorrect DRG assignment, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate clinical data representation

Mitigation Strategy

Use E06.3 instead

Impact

Inadequate linkage of hypothyroidism to Hashimoto's

Mitigation Strategy

Regular training and audits

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 Hypothyroidism due to Hashimoto's Thyroiditis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Hypothyroidism due to Hashimoto's Thyroiditis

Use these documentation templates to ensure complete and accurate documentation for Hypothyroidism due to Hashimoto's Thyroiditis. These templates include all required elements for proper coding and billing.

Endocrinology Progress Note

Specialty: Endocrinology

Required Elements

  • Patient history
  • Lab results
  • Imaging findings
  • Treatment plan

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has hypothyroidism. Will adjust levothyroxine.
Good Documentation Example
Patient with Hashimoto’s thyroiditis (E06.3) presents with persistent hypothyroidism (TSH 15.2 mIU/L, free T4 0.6 ng/dL). TPO antibodies elevated at 300 IU/mL. Ultrasound 3/2025 shows heterogeneous thyroid parenchyma. Plan: Increase levothyroxine to 112 mcg daily.
Explanation
The good example provides specific lab results and links hypothyroidism to Hashimoto's, ensuring accurate coding.

Need help with ICD-10 coding for Hypothyroidism due to Hashimoto's Thyroiditis? Ask your questions below.

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