ICD-10-CM Codes
E00-E89
E00-E07
E03-
2023 ICD-10-CM Diagnosis Code E03

2023 ICD-10-CM Diagnosis Code E03

Other hypothyroidism

2016

2017

2018

2019

2020

2021

2022

2023

Non-Billable/Non-Specific Code

E03 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM E03 became effective on October 1, 2022.
This is the American ICD-10-CM version of E03 - other international versions of ICD-10 E03 may differ.

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as E03. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

iodine-deficiency related hypothyroidism (
ICD-10-CM Diagnosis Code E00
Congenital iodine-deficiency syndrome
Type 1 Excludes
- subclinical iodine-deficiency hypothyroidism (E02)
Use Additional
- code (F70-F79) to identify associated intellectual disabilities.
E00
-
ICD-10-CM Diagnosis Code E02
Subclinical iodine-deficiency hypothyroidism
E02
)
postprocedural hypothyroidism (
ICD-10-CM Diagnosis Code E89.0
Postprocedural hypothyroidism
Applicable To
- Postirradiation hypothyroidism
- Postsurgical hypothyroidism
E89.0
)

The following code(s) above E03 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to E03:

E00-E89
2023 ICD-10-CM Range E00-E89
Endocrine, nutritional and metabolic diseases
Note
- All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Type 1 Excludes
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Endocrine, nutritional and metabolic diseases

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to E03:

Code First: G13.2
, H28

ICD-10-CM Diagnosis Code G13.2
Systemic atrophy primarily affecting the central nervous system in myxedema
Code First
- underlying disease, such as:
- hypothyroidism (E03.-)
- myxedematous congenital iodine deficiency (E00.1)
ICD-10-CM Diagnosis Code H28
Cataract in diseases classified elsewhere
Code First
- underlying disease, such as:
- hypoparathyroidism (E20.-)
- myotonia (G71.1-)
- myxedema (E03.-)
- protein-calorie malnutrition (E40-E46)
Type 1 Excludes
- cataract in diabetes mellitus (E08.36, E09.36, E10.36, E11.36, E13.36)

ICD-10-CM Codes Adjacent To E03

E00.0 Congenital iodine-deficiency syndrome, neurological type

E00.1 Congenital iodine-deficiency syndrome, myxedematous type

E00.2 Congenital iodine-deficiency syndrome, mixed type

E00.9 Congenital iodine-deficiency syndrome, unspecified

E01 Iodine-deficiency related thyroid disorders and allied conditions

E01.0 Iodine-deficiency related diffuse (endemic) goiter

E01.1 Iodine-deficiency related multinodular (endemic) goiter

E01.2 Iodine-deficiency related (endemic) goiter, unspecified

E01.8 Other iodine-deficiency related thyroid disorders and allied conditions

E02 Subclinical iodine-deficiency hypothyroidism

E03 Other hypothyroidism

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

E04 Other nontoxic goiter

E04.0 Nontoxic diffuse goiter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code E03

Other hypothyroidism

Congenital iodine-deficiency syndrome

Subclinical iodine-deficiency hypothyroidism

Postprocedural hypothyroidism

Endocrine, nutritional and metabolic diseases

Systemic atrophy primarily affecting the central nervous system in myxedema

Cataract in diseases classified elsewhere