MCMedicalCodingSoftware
E06.2

E06.2: Chronic thyroiditis with transient thyrotoxicosis

Billable / specific codeICD-10-CM

E06.2 is a billable, specific ICD-10-CM code for chronic thyroiditis with transient thyrotoxicosis. It is valid for submission on a claim.

Check E06.2 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • autoimmune thyroiditis (E06.3)

Excludes1 inherited from the categories above E06.2

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 E06.2

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

  • E05Thyrotoxicosis [hyperthyroidism]

Risk adjustment

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

Medicare coverage

E06.2 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

  • Thyrotoxicosis›transient with chronic thyroiditis
  • Thyroiditis›chronic›with thyrotoxicosis, transient

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.