| E30 | Disorders of puberty, not elsewhere classified |
| E30.0 | Delayed puberty |
| E30.1 | Precocious puberty |
| E30.8 | Other disorders of puberty |
| E30.9 | Disorder of puberty, unspecified |
| E31 | Polyglandular dysfunction |
| E31.0 | Autoimmune polyglandular failure |
| E31.1 | Polyglandular hyperfunction |
| E31.2 | Multiple endocrine neoplasia [MEN] syndromes |
| E31.20 | Multiple endocrine neoplasia [MEN] syndrome, unspecified |
| E31.21 | Multiple endocrine neoplasia [MEN] type I |
| E31.22 | Multiple endocrine neoplasia [MEN] type IIA |
| E31.23 | Multiple endocrine neoplasia [MEN] type IIB |
| E31.8 | Other polyglandular dysfunction |
| E31.9 | Polyglandular dysfunction, unspecified |
| E32 | Diseases of thymus |
| E32.0 | Persistent hyperplasia of thymus |
| E32.1 | Abscess of thymus |
| E32.8 | Other diseases of thymus |
| E32.9 | Disease of thymus, unspecified |
| E34 | Other endocrine disorders |
| E34.0 | Carcinoid syndrome |
| E34.1 | Other hypersecretion of intestinal hormones |
| E34.2 | Ectopic hormone secretion, not elsewhere classified |
| E34.3 | Short stature due to endocrine disorder |
| E34.30 | Short stature due to endocrine disorder, unspecified |
| E34.31 | Constitutional short stature |
| E34.32 | Genetic causes of short stature |
| E34.321 | Primary insulin-like growth factor-1 (IGF-1) deficiency |
| E34.322 | Insulin-like growth factor-1 (IGF-1) resistance |
| E34.328 | Other genetic causes of short stature |
| E34.329 | Unspecified genetic causes of short stature |
| E34.39 | Other short stature due to endocrine disorder |
| E34.4 | Constitutional tall stature |
| E34.5 | Androgen insensitivity syndrome |
| E34.50 | Androgen insensitivity syndrome, unspecified |
| E34.51 | Complete androgen insensitivity syndrome |
| E34.52 | Partial androgen insensitivity syndrome |
| E34.8 | Other specified endocrine disorders |
| E34.9 | Endocrine disorder, unspecified |
| E35 | Disorders of endocrine glands in diseases classified elsewhere |
| E36 | Intraoperative complications of endocrine system |
| E36.0 | Intraoperative hemorrhage and hematoma of an endocrine system organ or structure complicating a procedure |
| E36.01 | Intraoperative hemorrhage and hematoma of an endocrine system organ or structure complicating an endocrine system procedure |
| E36.02 | Intraoperative hemorrhage and hematoma of an endocrine system organ or structure complicating other procedure |
| E36.1 | Accidental puncture and laceration of an endocrine system organ or structure during a procedure |
| E36.11 | Accidental puncture and laceration of an endocrine system organ or structure during an endocrine system procedure |
| E36.12 | Accidental puncture and laceration of an endocrine system organ or structure during other procedure |
| E36.8 | Other intraoperative complications of endocrine system |