E20-E35 ICD-10-CA block: Disorders of other endocrine glands
E20-E35 isn’t a code on its own. Choose one of the 76 codes beneath it, the one the documentation supports.
Official description
E20-E35Disorders of other endocrine glands (E20-E35)
ICD-10-CA · Canada
Codes in E20-E35
E20-E35 isn’t a code on its own. Open the group that matches what the note documents.
E20Hypoparathyroidism (4 codes)E21Hyperparathyroidism and other disorders of parathyroid gland (6 codes)E22Hyperfunction of pituitary gland (5 codes)E23Hypofunction and other disorders of pituitary gland (6 codes)E24Cushing's syndrome (7 codes)E25Adrenogenital disorders (3 codes)E26Hyperaldosteronism (4 codes)E27Other disorders of adrenal gland (8 codes)E28Ovarian dysfunction (6 codes)E29Testicular dysfunction (4 codes)E30Disorders of puberty, not elsewhere classified (4 codes)E31Polyglandular dysfunction (4 codes)E32Diseases of thymus (4 codes)E34Other endocrine disorders (8 codes)E35Disorders of endocrine glands in diseases classified elsewhere (3 codes)Notes for E20-E35
As CIHI prints them, with any note E20-E35 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Galactorrhoea (N64.3)gynaecomastia (N62)
- 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 E20-E35 sits
- 1ChapterChapter 4: Endocrine, nutritional and metabolic diseases (E00-E90)
- 2Block E20-E35Disorders of other endocrine glands
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
Is E20-E35 a valid ICD-10-CA code?
No. E20-E35 (Disorders of other endocrine glands) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 76 codes; record the one the documentation supports.
Where is E20-E35 in ICD-10-CA?
E20-E35 sits under Chapter 4: Endocrine, nutritional and metabolic diseases (E00-E90).
What coding notes apply to E20-E35?
ICD-10-CA lists Excludes, Note notes for E20-E35, 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.