E04.0 ICD-10-CA code: Nontoxic diffuse goitre

E04.0 is the ICD-10-CA code for “Nontoxic diffuse goitre” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

E04.0

Nontoxic diffuse goitre

ICD-10-CA · Canada · Also written E040

Index terms

Entries in CIHI’s alphabetical index that lead to E04.0. Searching the index by the condition the note names is how coders reach this code.

  • Goiter (plunging) (substernal), simple
  • Goiter (plunging) (substernal), nontoxic, simple
  • Goiter (plunging) (substernal), nontoxic, diffuse (colloid)

Notes for E04.0

As CIHI prints them, with any note E04.0 takes from the headings above it.

Includes

  • Goitre, nontoxic:• diffuse (colloid)• simple

Excludes

Conditions classified elsewhere.

  • Congenital goitre:• NOS (E03.0)• diffuse (E03.0)• parenchymatous (E03.0)iodine-deficiency-related goitre (E00-E02)From E04 Other nontoxic goitre
  • Complications of pregnancy, childbirth and the puerperium (O00-O99)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)transitory endocrine and metabolic disorders specific to fetus and newborn (P70-P74)From Chapter 4: Endocrine, nutritional and metabolic diseases (E00-E90)

Note

  • All neoplasms, whether functionally active or not, are classified in Chapter II. Appropriate codes in this chapter (i.e. E05.8)(E07.0) (E16-E31)(E34.-) may be used, if desired, 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.From Chapter 4: Endocrine, nutritional and metabolic diseases (E00-E90)

Where E04.0 sits

  1. 1ChapterChapter 4: Endocrine, nutritional and metabolic diseases (E00-E90)
  2. 2Block E00-E07Disorders of thyroid gland
  3. 3Category E04Other nontoxic goitre
  4. 4Valid code E04.0Nontoxic diffuse goitre

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code E04.0 mean?

E04.0 is the ICD-10-CA code for “Nontoxic diffuse goitre” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is E04.0 in ICD-10-CA?

E04.0 sits under E04 Other nontoxic goitre, within E00-E07 Disorders of thyroid gland, within Chapter 4: Endocrine, nutritional and metabolic diseases (E00-E90).

What coding notes apply to E04.0?

ICD-10-CA lists Includes, Excludes, Note notes for E04.0, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.