ICD-10-CM E20 is the diagnosis code for Hypoparathyroidism. This code falls under the section "Disorders of other endocrine glands" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as E20. They are mutually exclusive:
Understanding where E20 sits in the ICD-10-CM classification helps ensure proper coding:
No, E20 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E20 is the ICD-10-CM diagnosis code for "Hypoparathyroidism". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E20 is located in Section E20-E35 — "Disorders of other endocrine glands" within Chapter 4 of the ICD-10-CM Tabular List.
E20 has 4 sub-code(s) that provide more specific detail: E20.0, E20.1, E20.8, E20.9.
Use E20 when the patients documented diagnosis matches "Hypoparathyroidism" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Hypoparathyroidism is E20.
No, E20 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E20 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E20 include: Di George's syndrome (D82.1); postprocedural hypoparathyroidism (E89.2); tetany NOS (R29.0) and more.
Yes, E20 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.