E20.0

Billable

Idiopathic hypoparathyroidism

E20.0 is the ICD-10-CM code for Idiopathic hypoparathyroidism. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
E00-E89
Parent
E20
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

Most people have four pea-sized glands, called parathyroid glands, on the thyroid gland in the neck. Though their names are similar, the thyroid and parathyroid glands are completely different. The parathyroid glands make parathyroid hormone (PTH), which helps your body keep the right balance of calcium and phosphorous. If your parathyroid glands make too much or too little hormone, it disrupts this balance. If they…

Read more about Parathyroid Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code E20.0?
E20.0 is the ICD-10-CM code for "Idiopathic hypoparathyroidism". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E20.0 a billable code?
Yes — E20.0 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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