E03.8 – Other specified hypothyroidism

ICD-10-CM 2027 diagnosis code · Disorders of thyroid gland

Billable code

ICD-10-CM code E03.8
Code
E03.8 (claims format: E038)
Description
Other specified hypothyroidism
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block
E00-E07 Disorders of thyroid gland
Parent codes
E03

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E03 – Other hypothyroidism

Excludes1 (not coded here):
  • iodine-deficiency related hypothyroidism (E00-E02)
  • postprocedural hypothyroidism (E89.0)

Index terms for E03.8

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E03

Frequently asked questions

What is ICD-10 code E03.8?

E03.8 is the ICD-10-CM code for other specified hypothyroidism, in the block E00-E07 (Disorders of thyroid gland).

Is E03.8 a billable code?

Yes. E03.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E03.8 belong to?

It belongs to category E03 – Other hypothyroidism.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.