E20.0 – Idiopathic hypoparathyroidism

ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands

Billable code

ICD-10-CM code E20.0
Code
E20.0 (claims format: E200)
Description
Idiopathic hypoparathyroidism
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block
E20-E35 Disorders of other endocrine glands
Parent codes
E20

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E20 – Hypoparathyroidism

Excludes1 (not coded here):
  • Di George's syndrome (D82.1)
  • postprocedural hypoparathyroidism (E89.2)
  • tetany NOS (R29.0)
  • transitory neonatal hypoparathyroidism (P71.4)

Block E20-E35

Excludes1 (not coded here):

Index terms for E20.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E20

Frequently asked questions

What is ICD-10 code E20.0?

E20.0 is the ICD-10-CM code for idiopathic hypoparathyroidism, in the block E20-E35 (Disorders of other endocrine glands).

Is E20.0 a billable code?

Yes. E20.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E20.0 belong to?

It belongs to category E20 – Hypoparathyroidism.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.