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E03

E03: Other hypothyroidism

Non-billable headerICD-10-CM

E03 is a non-billable header ICD-10-CM code for other hypothyroidism. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

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

  • iodine-deficiency related hypothyroidism (E00-E02)
  • postprocedural hypothyroidism (E89.0)

Other codes that can never be billed with E03

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

  • L98.5Mucinosis of the skin
  • P72Other transitory neonatal endocrine disorders
  • Q89.2Congenital malformations of other endocrine glands
  • E03.4Atrophy of thyroid (acquired)
  • E04Other nontoxic goiter

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead E03

8 child codes. Green means billable.

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.