ICD-10-CM E03: Other hypothyroidism

ICD-10-CM Diagnosis Code (2025)

Official Description for E03

Other hypothyroidism

Coding Notes & Guidelines for E03

Excludes1: Not Coded Here
  • iodine-deficiency related hypothyroidism (E00-E02)
  • postprocedural hypothyroidism (E89.0)
Excludes1: Not Coded Here

transitory congenital goiter with normal function (P72.0)

Excludes1: Not Coded Here

congenital atrophy of thyroid (E03.1)

Code First

poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use Additional Code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion Terms
  • Congenital parenchymatous goiter (nontoxic)
  • Congenital goiter (nontoxic) NOS
Inclusion Terms
  • Aplasia of thyroid (with myxedema)
  • Congenital atrophy of thyroid
  • Congenital hypothyroidism NOS
Inclusion Terms

Myxedema NOS

Child Codes (More Specific Codes for E03):

E03.0 - Congenital hypothyroidism with diffuse goiter E03.1 - Congenital hypothyroidism without goiter E03.2 - Hypothyroidism due to medicaments and other exogenous substances E03.3 - Postinfectious hypothyroidism E03.4 - Atrophy of thyroid (acquired) E03.5 - Myxedema coma E03.8 - Other specified hypothyroidism E03.9 - Hypothyroidism, unspecified

About ICD-10-CM Code E03 (Other hypothyroidism)

ICD-10-CM code E03 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM E03 became effective on October 1, 2024.

This page provides detailed information about E03 - Other hypothyroidism. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other hypothyroidism.