E20.818
Billable codeOther specified hypoparathyroidism due to impaired parathyroid hormone secretion
The ICD-10 code for other specified hypoparathyroidism due to impaired parathyroid hormone secretion is E20.818.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Familial isolated hypoparathyroidism
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E20.810Autosomal dominant hypocalcemia
- E20.811Secondary hypoparathyroidism in diseases classified elsewhere
- E20.812Autoimmune hypoparathyroidism
- E20.819Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecified
- E20.818Other specified hypoparathyroidism due to impaired parathyroid hormone secretion
Associated MS-DRGs
E20.818 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.