ICD-10-CM › Chapter 4 Endocrine, nutritional and... › E20-E35
E20-E35 - Disorders of other endocrine glands
125 ICD-10-CM codes sit in this section, of which 99 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.
- 125 codes
- 99 billable FY2027
- 26 not billable, retired or subdivided
- 15 categories
Categories
Each of these is a three-character category. Most are not billable on their own - the billable code is one of the children listed on its page.
| Code | Description | Status |
|---|---|---|
| E20 | Hypoparathyroidism | Not billable |
| E21 | Hyperparathyroidism and other disorders of parathyroid gland | Not billable |
| E22 | Hyperfunction of pituitary gland | Not billable |
| E23 | Hypofunction and other disorders of the pituitary gland | Not billable |
| E24 | Cushing's syndrome | Not billable |
| E25 | Adrenogenital disorders | Not billable |
| E26 | Hyperaldosteronism | Not billable |
| E27 | Other disorders of adrenal gland | Not billable |
| E28 | Ovarian dysfunction | Not billable |
| E29 | Testicular dysfunction | Not billable |
| E30 | Disorders of puberty, not elsewhere classified | Not billable |
| E31 | Polyglandular dysfunction | Not billable |
| E32 | Diseases of thymus | Not billable |
| E34 | Other endocrine disorders | Not billable |
| E35 | Disorders of endocrine glands in diseases classified elsewhere | Valid |
Or browse all ICD-10-CM codes by first character, check a list of codes with the batch validity checker, or see what changed in each release.