ICD-10-CM Codes
E00-E89
E00-E07
E03-
2023 ICD-10-CM Diagnosis Code E03.5

2023 ICD-10-CM Diagnosis Code E03.5

Myxedema coma

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

E03.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM E03.5 became effective on October 1, 2022.
This is the American ICD-10-CM version of E03.5 - other international versions of ICD-10 E03.5 may differ.

The following code(s) above E03.5 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 E03.5:

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
E03
ICD-10-CM Diagnosis Code E03
Other hypothyroidism
Type 1 Excludes
- iodine-deficiency related hypothyroidism (E00-E02)
- postprocedural hypothyroidism (E89.0)
Other hypothyroidism

ICD-10-CM E03.5 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

080 Nontraumatic stupor and coma with mcc
081 Nontraumatic stupor and coma without mcc
791 Prematurity with major problems
793 Full term neonate with major problems

Convert E03.5 to ICD-9-CM

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

Diagnosis Index entries containing back-references to E03.5:

Coma R40.20
ICD-10-CM Diagnosis Code R40.20
Unspecified coma
Applicable To
Coma NOS
Unconsciousness NOS
- myxedematous E03.5
Myxedema (adult) (idiocy) (infantile) (juvenile) E03.9
- see also Hypothyroidism
ICD-10-CM Diagnosis Code E03.9
Hypothyroidism, unspecified
Applicable To
Myxedema NOS
- coma E03.5

ICD-10-CM Codes Adjacent To E03.5

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

E04.1 Nontoxic single thyroid nodule

E04.2 Nontoxic multinodular goiter

E04.8 Other specified nontoxic goiter

E04.9 Nontoxic goiter, unspecified

E05 Thyrotoxicosis [hyperthyroidism]

E05.0 Thyrotoxicosis with 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 E03.5

Myxedema coma

Endocrine, nutritional and metabolic diseases

Other hypothyroidism

Unspecified coma

Hypothyroidism, unspecified