E06 – Thyroiditis
ICD-10-CM 2027 diagnosis code · Disorders of thyroid gland
ICD-10-CM code
E06
- Code
E06(claims format:E06)- Description
- Thyroiditis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E00-E07 Disorders of thyroid gland
Billable codes under E06
E06 is a header code and cannot be used on claims. Choose the most specific code:
- E06.0 – Acute thyroiditisBillable
- E06.1 – Subacute thyroiditisBillable
- E06.2 – Chronic thyroiditis with transient thyrotoxicosisBillable
- E06.3 – Autoimmune thyroiditisBillable
- E06.4 – Drug-induced thyroiditisBillable
- E06.5 – Other chronic thyroiditisBillable
- E06.9 – Thyroiditis, unspecifiedBillable
Notes for E06
Excludes1 (not coded here):
- postpartum thyroiditis (O90.5)
Frequently asked questions
What is ICD-10 code E06?
E06 is the ICD-10-CM code for thyroiditis, in the block E00-E07 (Disorders of thyroid gland).
Is E06 a billable code?
No. E06 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.