E06.3 – Autoimmune thyroiditis
ICD-10-CM 2027 diagnosis code · Disorders of thyroid gland
ICD-10-CM code
E06.3
- Code
E06.3(claims format:E063)- Description
- Autoimmune thyroiditis
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
- Parent codes
- E06
Notes for E06.3
Applicable to:
- Hashimoto's thyroiditis
- Hashitoxicosis (transient)
- Lymphadenoid goiter
- Lymphocytic thyroiditis
- Struma lymphomatosa
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E06 – Thyroiditis
Excludes1 (not coded here):
- postpartum thyroiditis (O90.5)
Index terms for E06.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Hashitoxicosis
- Struma, Hashimoto
- Lymphadenoid goiter
- Goiter, lymphadenoid
- Struma, lymphomatosa
- Thyroiditis, lymphoid
- Autoimmune, thyroiditis
- Thyroiditis, autoimmune
- Thyroiditis, lymphocytic
- Thyroiditis, Hashimoto's
- Thyroiditis, lymphomatous
- Thyroiditis, chronic, lymphoid
- Disease, diseased, Hashimoto's
- Thyroiditis, chronic, lymphocytic
- Thyroiditis, chronic, lymphadenoid
- Hashimoto's disease or thyroiditis
- Disease, diseased, autoimmune, thyroid
Related codes in E06
Frequently asked questions
What is ICD-10 code E06.3?
E06.3 is the ICD-10-CM code for autoimmune thyroiditis, in the block E00-E07 (Disorders of thyroid gland).
Is E06.3 a billable code?
Yes. E06.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E06.3 belong to?
It belongs to category E06 – Thyroiditis.
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.