| Type 1 Excludes |
| galactorrhea (N64.3) |
| gynecomastia (N62) |
| E20 |
| Hypoparathyroidism |
| E21 |
| Hyperparathyroidism and other disorders of parathyroid gland |
| E22 |
| Hyperfunction of pituitary gland |
| E23 |
| Hypofunction and other disorders of the pituitary gland |
| E24 |
| Cushing's syndrome |
| E25 |
| Adrenogenital disorders |
| E26 |
| Hyperaldosteronism |
| E27 |
| Other disorders of adrenal gland |
| E28 |
| Ovarian dysfunction |
| E29 |
| Testicular dysfunction |
| E30 |
| Disorders of puberty, not elsewhere classified |
| E31 |
| Polyglandular dysfunction |
| E32 |
| Diseases of thymus |
| E34 |
| Other endocrine disorders |
| E35 |
| Disorders of endocrine glands in diseases classified elsewhere |