E03.8 - Other specified hypothyroidism

Learn about the ICD-10-CM code E03.8 for other specified hypothyroidism through this guide.

By Matt Olivares on Jul 16, 2025.

What ICD-10 codes are used for other specified hypothyroidism?

Hypothyroidism is a medical condition characterized by an underactive thyroid gland, leading to reduced production of thyroid hormones. The ICD-10-CM code E03.8 represents other specified forms of hypothyroidism that don't fit into more specific categories.

Here's the commonly used ICD-10-CM code for other specified hypothyroidism:

E03.8 - Other specified hypothyroidism: This code is utilized when a patient has hypothyroidism with unique characteristics or underlying causes that do not align with the more common categories of hypothyroidism.

(Note: E03.8 is a versatile code for capturing variations of hypothyroidism not covered by more specific codes.)

Is E03.8 diagnosis code billable?

Yes, E03.8 is a valid and billable ICD code.

Clinical information

Hypothyroidism results from insufficient production of thyroid hormones, impacting various bodily functions.
"Other specified hypothyroidism" is used when the specific form or cause of hypothyroidism doesn't fall into established categories. Various factors, including autoimmune diseases, iodine deficiency, medications, or congenital issues, may cause hypothyroidism.
Symptoms often include fatigue, weight gain, cold sensitivity, and changes in skin and hair.
Treatment typically involves thyroid hormone replacement therapy.

Synonyms include

Unspecified hypothyroidism
Atypical hypothyroidism
Hypothyroidism of unknown origin
Unique hypothyroidism
Hypothyroidism with specific characteristics
Hypothyroidism and congenital iodine deficiency syndrome
Subclinical iodine deficiency hypothyroidism
Hypothyroidism and other metabolic diseases
Iodine deficiency related hypothyroidism
Congenital hypothyroidism
Postprocedural hypothyroidism
Other hypothyroidism
Hypothyroidism (endocrine, nutritional, and metabolic diseases)
Central hypothyroidism

Popular search terms for E03.8

E03.8 ICD-10 code
ICD-10 E03.8
E03.8 diagnosis codes
ICD-10 code for other specified hypothyroidism

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