2025 ICD-10-CM Diagnosis Code E04.0

Nontoxic diffuse goiter

• E04.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM E04.0 became effective on October 1, 2024.
• This is the American ICD-10-CM version of E04.0 – other international versions of ICD-10 E04.0 may differ.

Applicable To

• Diffuse (colloid) nontoxic goiter
• Simple nontoxic goiter

The following code(s) above E04.0 contain annotation back-references

 that may be applicable to E04.0:

• E00-E89  Endocrine, nutritional and metabolic diseases
• E04  Other nontoxic goiter

Approximate Synonyms

• Diffuse thyroid goiter without thyrotoxicosis
• Nontoxic diffuse thyroid goiter
• Simple goiter

ICD-10-CM E04.0 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 643 Endocrine disorders with mcc
• 644 Endocrine disorders with cc
• 645 Endocrine disorders without cc/mcc

Convert E04.0 to ICD-9-CMCode 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
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Diagnosis Index entries containing back-references to E04.0:

• Bronchocele meaning goiter E04.0
• Goiter (plunging) (substernal) E04.9
  • nontoxicE04.9
    • diffuse E04.0 (colloid)
    • simple E04.0
  • simple E04.0