E06
Non-Billable

Thyroiditis

Non-Billable / Non-Specific Code

What is Thyroiditis?

ICD-10-CM E06 is the diagnosis code for Thyroiditis. This code falls under the section "Disorders of thyroid gland" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for E06

⛔ Type 1 Excludes (Never code together)

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

  • postpartum thyroiditis (O90.5)

ICD-10-CM Code Hierarchy

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

Sub-Codes 7 entries
E06.0Acute thyroiditisBillableE06.1Subacute thyroiditisBillableE06.2Chronic thyroiditis with transient thyrotoxicosisBillableE06.3Autoimmune thyroiditisBillableE06.4Drug-induced thyroiditisBillableE06.5Other chronic thyroiditisBillableE06.9Thyroiditis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is E06 a billable ICD-10-CM code?

No, E06 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does E06 mean?

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

What section is E06 in?

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

What are the sub-codes of E06?

E06 has 7 sub-code(s) that provide more specific detail: E06.0, E06.1, E06.2, E06.3, E06.4 and more.

When should I use E06?

Use E06 when the patients documented diagnosis matches "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 Thyroiditis?

The ICD-10-CM code for Thyroiditis is E06.

Can E06 be used for primary diagnosis?

No, E06 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is E06 in?

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

What conditions are excluded from E06?

Type 1 Excludes for E06 include: postpartum thyroiditis (O90.5).

Is E06 valid for 2026?

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

See Also

← PreviousE05.91Thyrotoxicosis, unspecified with thyrotoxic crisis or stormNext →E06.0Acute thyroiditis
Code Details
E06
Thyroiditis
Non-Billable / Non-Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E00-E07 — Disorders of thyroid gland
2026 ICD-10-CM