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E20 Hypoparathyroidism

ICD-10-CM category E20 sits in Chapter 4 (Endocrine, nutritional and metabolic diseases, E00-E89). It contains 9 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

E20.8 Other hypoparathyroidismE20.81 Hypoparathyroidism due to impaired PTH secretion

Billable codes in E20

CodeDescription
E20.0Idiopathic hypoparathyroidism
E20.1Pseudohypoparathyroidism
E20.810Autosomal dominant hypocalcemia
E20.811Secondary hypoparathyroidism in diseases classified elsewhere
E20.812Autoimmune hypoparathyroidism
E20.818Other specified hypoparathyroidism due to impaired parathyroid hormone secretion
E20.819Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecified
E20.89Other specified hypoparathyroidism
E20.9Hypoparathyroidism, unspecified

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