ICD-10-CM · Chapter 4 · E00-E89
E20 Hypoparathyroidism
Excludes 1 (cannot be coded together)
- Di George's syndrome (D82.1)
- postprocedural hypoparathyroidism (E89.2)
- tetany NOS (R29.0)
- transitory neonatal hypoparathyroidism (P71.4)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| E20..0 | Idiopathic hypoparathyroidism | Yes |
| E20..1 | Pseudohypoparathyroidism | Yes |
| E20..8 | Other hypoparathyroidism | No |
| E20..81 | Hypoparathyroidism due to impaired parathyroid hormone secretion | No |
| E20..810 | Autosomal dominant hypocalcemia | Yes |
| E20..811 | Secondary hypoparathyroidism in diseases classified elsewhere | Yes |
| E20..812 | Autoimmune hypoparathyroidism | Yes |
| E20..818 | Other specified hypoparathyroidism due to impaired parathyroid hormone secretion | Yes |
| E20..819 | Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecified | Yes |
| E20..89 | Other specified hypoparathyroidism | Yes |
| E20..9 | Hypoparathyroidism, unspecified | Yes |
Last reviewed: September 2026