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E06.3

E06.3: Autoimmune thyroiditis

Billable / specific codeICD-10-CM

E06.3 is a billable, specific ICD-10-CM code for autoimmune thyroiditis. It is valid for submission on a claim.

Check E06.3 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Hashimoto's thyroiditis
  • Hashitoxicosis (transient)
  • Lymphadenoid goiter
  • Lymphocytic thyroiditis
  • Struma lymphomatosa

Excludes1 inherited from the categories above E06.3

A category’s note binds every code beneath it.

Written on E06: Thyroiditis

  • postpartum thyroiditis (O90.5)

Other codes that can never be billed with E06.3

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • E06.1Subacute thyroiditis
  • E06.2Chronic thyroiditis with transient thyrotoxicosis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

E06.3 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57657Billing and Coding: Sedimentation Rate, Erythrocyte

Alphabetic index entries that lead here

  • Hashimoto's disease or thyroiditis
  • Hashitoxicosis(transient)
  • Lymphadenoid goiter
  • Autoimmune›thyroiditis
  • Disease, diseased›Hashimoto's(struma lymphomatosa)
  • Goiter›lymphadenoid
  • Struma›Hashimoto
  • Struma›lymphomatosa
  • Thyroiditis›autoimmune
  • Thyroiditis›Hashimoto's(struma lymphomatosa)
  • Thyroiditis›lymphocytic(chronic)
  • Thyroiditis›lymphoid

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under E06

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.