ICD-10-CM · Chapter 4 · E00–E89
E03
Other hypothyroidism
Endocrine, nutritional and metabolic diseases
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- E03
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 4 — Endocrine, nutritional and metabolic diseases
- Category
- E03
- Specificity
- 3 characters
How coders use this code
ICD-10-CM E03 is a category (header) for other hypothyroidism. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in E03
- E03.0Congenital hypothyroidism with diffuse goiter
- E03.1Congenital hypothyroidism without goiter
- E03.2Hypothyroidism due to medicaments and other exogenous substances
- E03.3Postinfectious hypothyroidism
- E03.4Atrophy of thyroid (acquired)
- E03.5Myxedema coma
- E03.8Other specified hypothyroidism
- E03.9Hypothyroidism, unspecified
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