Is E06.1 a billable ICD-10-CM code?

Yes. E06.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E06.1 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Disorders of thyroid gland (E00-E07).

What cannot be coded together with E06.1?

E06.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

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.

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

Risk adjustment

E06.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

E06.1 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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

How E06.1 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to E06.1.

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)

Related codes at this level

Codes that share E06. If E06.1 is not quite right, the correct code is usually one of these.

Questions about E06.1

Is E06.1 a billable ICD-10-CM code?: Yes. E06.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E06.1 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Disorders of thyroid gland (E00-E07).
What cannot be coded together with E06.1?: E06.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.