E20-E35: Disorders of other endocrine glands
ICD-10-CM 2027 block E20-E35 in chapter 4 (Endocrine, nutritional and metabolic diseases) has 15 categories.
- E20 – Hypoparathyroidism 9 billable codes
- E21 – Hyperparathyroidism and other disorders of parathyroid gland 6 billable codes
- E22 – Hyperfunction of pituitary gland 5 billable codes
- E23 – Hypofunction and other disorders of the pituitary gland 6 billable codes
- E24 – Cushing's syndrome 7 billable codes
- E25 – Adrenogenital disorders 3 billable codes
- E26 – Hyperaldosteronism 7 billable codes
- E27 – Other disorders of adrenal gland 9 billable codes
- E28 – Ovarian dysfunction 8 billable codes
- E29 – Testicular dysfunction 4 billable codes
- E30 – Disorders of puberty, not elsewhere classified 4 billable codes
- E31 – Polyglandular dysfunction 8 billable codes
- E32 – Diseases of thymus 4 billable codes
- E34 – Other endocrine disorders 18 billable codes
- E35 – Disorders of endocrine glands in diseases classified elsewhere Billable code