Is ICD-10-CM code E20 billable?

No, E20 (Hypoparathyroidism) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code E20 belong to?

E20 belongs to Chapter 4 of the ICD-10-CM tabular list: E00–E89 (Endocrine, Nutritional and Metabolic Diseases).

E20Non-billable

Hypoparathyroidism

Endocrine, Nutritional and Metabolic Diseases·Disorders of other endocrine glands (E20-E35)·category·FY 2026

Use a more specific code (3 billable, 1 non-billable)

E20.0Idiopathic hypoparathyroidism E20.1Pseudohypoparathyroidism E20.8Other hypoparathyroidismhas subcodes E20.9Hypoparathyroidism, unspecified

CH4 Parent Instructions

Excludes1(Not coded here. Use a different code.)

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

E20-E35 Parent Instructions

Excludes1(Not coded here. Use a different code.)

galactorrhea (N64.3)
gynecomastia (N62)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

Di George's syndrome (D82.1)
postprocedural hypoparathyroidism (E89.2)
tetany NOS (R29.0)
transitory neonatal hypoparathyroidism (P71.4)

Clinical Hierarchy

BillableHas subcodes

CH4Endocrine, nutritional and metabolic diseases (E00-E89)

E20-E35Disorders of other endocrine glands (E20-E35)

E20HypoparathyroidismNot billable

E20.0Idiopathic hypoparathyroidismBillable

E20.1PseudohypoparathyroidismBillable

E20.8Other hypoparathyroidismSubcodes

E20.9Hypoparathyroidism, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.