| E279 | Disorder of adrenal gland, unspecified |
| E28 | Ovarian dysfunction |
| E280 | Estrogen excess |
| E281 | Androgen excess |
| E282 | Polycystic ovarian syndrome |
| E283 | Primary ovarian failure |
| E2831 | Premature menopause |
| E28310 | Symptomatic premature menopause |
| E28319 | Asymptomatic premature menopause |
| E2839 | Other primary ovarian failure |
| E288 | Other ovarian dysfunction |
| E289 | Ovarian dysfunction, unspecified |
| E29 | Testicular dysfunction |
| E290 | Testicular hyperfunction |
| E291 | Testicular hypofunction |
| E298 | Other testicular dysfunction |
| E299 | Testicular dysfunction, unspecified |
| E30 | Disorders of puberty, not elsewhere classified |
| E300 | Delayed puberty |
| E301 | Precocious puberty |
| E308 | Other disorders of puberty |
| E309 | Disorder of puberty, unspecified |
| E31 | Polyglandular dysfunction |
| E310 | Autoimmune polyglandular failure |
| E311 | Polyglandular hyperfunction |
| E312 | Multiple endocrine neoplasia [MEN] syndromes |
| E3120 | Multiple endocrine neoplasia [MEN] syndrome, unspecified |
| E3121 | Multiple endocrine neoplasia [MEN] type I |
| E3122 | Multiple endocrine neoplasia [MEN] type IIA |
| E3123 | Multiple endocrine neoplasia [MEN] type IIB |
| E318 | Other polyglandular dysfunction |
| E319 | Polyglandular dysfunction, unspecified |
| E32 | Diseases of thymus |
| E320 | Persistent hyperplasia of thymus |
| E321 | Abscess of thymus |
| E328 | Other diseases of thymus |
| E329 | Disease of thymus, unspecified |
| E34 | Other endocrine disorders |
| E340 | Carcinoid syndrome |
| E3400 | Carcinoid syndrome, unspecified |
| E3401 | Carcinoid heart syndrome |
| E3409 | Other carcinoid syndrome |
| E341 | Other hypersecretion of intestinal hormones |
| E342 | Ectopic hormone secretion, not elsewhere classified |
| E343 | Short stature due to endocrine disorder |
| E3430 | Short stature due to endocrine disorder, unspecified |
| E3431 | Constitutional short stature |
| E3432 | Genetic causes of short stature |
| E34321 | Primary insulin-like growth factor-1 (IGF-1) deficiency |
| E34322 | Insulin-like growth factor-1 (IGF-1) resistance |