ICD-10-CM · Chapter 4 · E00–E89
E20
Hypoparathyroidism
Endocrine, nutritional and metabolic diseases
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- E20
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 4 — Endocrine, nutritional and metabolic diseases
- Category
- E20
- Specificity
- 3 characters
How coders use this code
ICD-10-CM E20 is a category (header) for hypoparathyroidism. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in E20
- E20.0Idiopathic hypoparathyroidism
- E20.1Pseudohypoparathyroidism
- E20.8Other hypoparathyroidism
- E20.81Hypoparathyroidism due to impaired parathyroid hormone secretion
- E20.810Autosomal dominant hypocalcemia
- E20.811Secondary hypoparathyroidism in diseases classified elsewhere
- E20.812Autoimmune hypoparathyroidism
- E20.818Other specified hypoparathyroidism due to impaired parathyroid hormone secretion
- E20.819Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecified
- E20.89Other specified hypoparathyroidism
- E20.9Hypoparathyroidism, unspecified
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