Is E03.4 a billable ICD-10-CM code?

Yes. E03.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E03.4 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 E03.4?

E03.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

E03.4

E03.4 — Atrophy of thyroid (acquired)

Billable / specific codeICD-10-CM

E03.4 is a billable, specific ICD-10-CM code for atrophy of thyroid (acquired). 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.

congenital atrophy of thyroid (E03.1)

Risk adjustment

E03.4 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

E03.4 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
A57029Billing and Coding: Ultrasound, Soft Tissues of Head and Neck
A57204Billing and Coding: MRI and CT Scans of the Head and Neck

How E03.4 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 E03.4.

Gull's disease
Strumipriva cachexia
Atrophy, atrophic›thyroid(gland) (acquired)
Cachexia›strumipriva

Related codes at this level

Codes that share E03. If E03.4 is not quite right, the correct code is usually one of these.

Questions about E03.4

Is E03.4 a billable ICD-10-CM code?: Yes. E03.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E03.4 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 E03.4?: E03.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.