E06.1
Billable

Subacute thyroiditis

Billable / Specific Code

What is Subacute thyroiditis?

ICD-10-CM E06.1 is the diagnosis code for Subacute thyroiditis. This code falls under the section "Disorders of thyroid gland" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for E06.1

✅ This Code Includes

  • de Quervain thyroiditis
  • Giant-cell thyroiditis
  • Granulomatous thyroiditis
  • Nonsuppurative thyroiditis
  • Viral thyroiditis

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as E06.1. They are mutually exclusive:

  • autoimmune thyroiditis (E06.3)

ICD-10-CM Code Hierarchy

Understanding where E06.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is E06.1 a billable ICD-10-CM code?

Yes, E06.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does E06.1 mean?

E06.1 is the ICD-10-CM diagnosis code for "Subacute thyroiditis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of E06.1?

The parent code of E06.1 is E06 ("Thyroiditis"). E06.1 provides a more specific classification within this category.

What section is E06.1 in?

E06.1 is located in Section E00-E07 — "Disorders of thyroid gland" within Chapter 4 of the ICD-10-CM Tabular List.

When should I use E06.1?

Use E06.1 when the patients documented diagnosis matches "Subacute thyroiditis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Subacute thyroiditis?

The ICD-10-CM code for Subacute thyroiditis is E06.1.

Can E06.1 be used for primary diagnosis?

Yes, E06.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is E06.1 in?

E06.1 is in Chapter 4 of the ICD-10-CM Tabular List.

What conditions are excluded from E06.1?

Type 1 Excludes for E06.1 include: autoimmune thyroiditis (E06.3).

Is E06.1 valid for 2026?

Yes, E06.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE06.0Acute thyroiditisNext →E06.2Chronic thyroiditis with transient thyrotoxicosis
Code Details
E06.1
Subacute thyroiditis
Billable / Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E00-E07 — Disorders of thyroid gland
2026 ICD-10-CM