2021 ICD-10-CM Diagnosis Code E03.4

Atrophy of thyroid (acquired)

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • E03.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM E03.4 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of E03.4 - other international versions of ICD-10 E03.4 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 E03.4. 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.
  • congenital atrophy of thyroid (
    ICD-10-CM Diagnosis Code E03.1

    Congenital hypothyroidism without goiter

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Aplasia of thyroid (with myxedema)
    • Congenital atrophy of thyroid
    • Congenital hypothyroidism NOS
    E03.1
    )
The following code(s) above E03.4 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 E03.4:
  • E00-E89
    2021 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

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • iodine-deficiency related hypothyroidism (E00-E02)
    • postprocedural hypothyroidism (E89.0)
    Other hypothyroidism
Approximate Synonyms
  • Acquired thyroid atrophy
  • Atrophy of thyroid
  • Atrophy of thyroid - acquired
  • Thyroid atrophy
ICD-10-CM E03.4 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 643 Endocrine disorders with mcc
  • 644 Endocrine disorders with cc
  • 645 Endocrine disorders without cc/mcc

Convert E03.4 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

Diagnosis Index entries containing back-references to E03.4:
  • Atrophy, atrophic (of)
  • Cachexia R64
    ICD-10-CM Diagnosis Code R64

    Cachexia

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Wasting syndrome
    Code First
    • underlying condition, if known
    Type 1 Excludes
    • abnormal weight loss (R63.4)
    • nutritional marasmus (E41)
    • strumipriva E03.4
  • Gull's disease E03.4
  • Strumipriva cachexia E03.4

ICD-10-CM Codes Adjacent To E03.4
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
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]

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