E06.1

E06.1: Subacute thyroiditis

Billable / specific codeICD-10-CM

E06.1 is a billable, specific ICD-10-CM code for subacute thyroiditis. It is valid for submission on a claim.

Check E06.1 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)

Inclusion terms

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

de Quervain thyroiditis
Giant-cell thyroiditis
Granulomatous thyroiditis
Nonsuppurative thyroiditis
Viral thyroiditis

Excludes1 inherited from the categories above E06.1

A category’s note binds every code beneath it.

Written on E06: Thyroiditis

postpartum thyroiditis (O90.5)

Risk adjustment

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

Medicare coverage

E06.1 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57029Billing and Coding: Ultrasound, Soft Tissues of Head and Neck
A57204Billing and Coding: MRI and CT Scans of the Head and Neck
A57657Billing and Coding: Sedimentation Rate, Erythrocyte

Alphabetic index entries that lead here

De Quervain's›thyroiditis(subacute granulomatous thyroiditis)
Quervain's disease›thyroid
Thyroiditis›de Quervain's
Thyroiditis›giant-cell(follicular)
Thyroiditis›granulomatous(de Quervain) (subacute)
Thyroiditis›nonsuppurative
Thyroiditis›pseudotuberculous
Thyroiditis›subacute(granulomatous)
Thyroiditis›viral
Disease, diseased›de Quervain's›thyroid(subacute granulomatous thyroiditis)

Code history

Unchanged in every release from FY2024 to FY2027.