About Section E20-E35

Section E20-E35 covers Disorders of other endocrine glands within Chapter 4 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from E20 to E35. Each code below includes its description, billable status, and links to detailed coding guidelines.
Diagnosis Codes 125 entries
E20HypoparathyroidismNon-Billable›E20.0Idiopathic hypoparathyroidismBillable›E20.1PseudohypoparathyroidismBillable›E20.8Other hypoparathyroidismNon-Billable›E20.81Hypoparathyroidism due to impaired parathyroid hormone secretionNon-Billable›E20.810Autosomal dominant hypocalcemiaBillable›E20.811Secondary hypoparathyroidism in diseases classified elsewhereBillable›E20.812Autoimmune hypoparathyroidismBillable›E20.818Other specified hypoparathyroidism due to impaired parathyroid hormone secretionBillable›E20.819Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecifiedBillable›E20.89Other specified hypoparathyroidismBillable›E20.9Hypoparathyroidism, unspecifiedBillable›E21Hyperparathyroidism and other disorders of parathyroid glandNon-Billable›E21.0Primary hyperparathyroidismBillable›E21.1Secondary hyperparathyroidism, not elsewhere classifiedBillable›E21.2Other hyperparathyroidismBillable›E21.3Hyperparathyroidism, unspecifiedBillable›E21.4Other specified disorders of parathyroid glandBillable›E21.5Disorder of parathyroid gland, unspecifiedBillable›E22Hyperfunction of pituitary glandNon-Billable›E22.0Acromegaly and pituitary gigantismBillable›E22.1HyperprolactinemiaBillable›E22.2Syndrome of inappropriate secretion of antidiuretic hormoneBillable›E22.8Other hyperfunction of pituitary glandBillable›E22.9Hyperfunction of pituitary gland, unspecifiedBillable›E23Hypofunction and other disorders of the pituitary glandNon-Billable›E23.0HypopituitarismBillable›E23.1Drug-induced hypopituitarismBillable›E23.2Diabetes insipidusBillable›E23.3Hypothalamic dysfunction, not elsewhere classifiedBillable›E23.6Other disorders of pituitary glandBillable›E23.7Disorder of pituitary gland, unspecifiedBillable›E24Cushing's syndromeNon-Billable›E24.0Pituitary-dependent Cushing's diseaseBillable›E24.1Nelson's syndromeBillable›E24.2Drug-induced Cushing's syndromeBillable›E24.3Ectopic ACTH syndromeBillable›E24.4Alcohol-induced pseudo-Cushing's syndromeBillable›E24.8Other Cushing's syndromeBillable›E24.9Cushing's syndrome, unspecifiedBillable›E25Adrenogenital disordersNon-Billable›E25.0Congenital adrenogenital disorders associated with enzyme deficiencyBillable›E25.8Other adrenogenital disordersBillable›E25.9Adrenogenital disorder, unspecifiedBillable›E26HyperaldosteronismNon-Billable›E26.0Primary hyperaldosteronismNon-Billable›E26.01Conn's syndromeBillable›E26.02Glucocorticoid-remediable aldosteronismBillable›E26.09Other primary hyperaldosteronismBillable›E26.1Secondary hyperaldosteronismBillable›E26.8Other hyperaldosteronismNon-Billable›E26.81Bartter's syndromeBillable›E26.89Other hyperaldosteronismBillable›E26.9Hyperaldosteronism, unspecifiedBillable›E27Other disorders of adrenal glandNon-Billable›E27.0Other adrenocortical overactivityBillable›E27.1Primary adrenocortical insufficiencyBillable›E27.2Addisonian crisisBillable›E27.3Drug-induced adrenocortical insufficiencyBillable›E27.4Other and unspecified adrenocortical insufficiencyNon-Billable›E27.40Unspecified adrenocortical insufficiencyBillable›E27.49Other adrenocortical insufficiencyBillable›E27.5Adrenomedullary hyperfunctionBillable›E27.8Other specified disorders of adrenal glandBillable›E27.9Disorder of adrenal gland, unspecifiedBillable›E28Ovarian dysfunctionNon-Billable›E28.0Estrogen excessBillable›E28.1Androgen excessBillable›E28.2Polycystic ovarian syndromeBillable›E28.3Primary ovarian failureNon-Billable›E28.31Premature menopauseNon-Billable›E28.310Symptomatic premature menopauseBillable›E28.319Asymptomatic premature menopauseBillable›E28.39Other primary ovarian failureBillable›E28.8Other ovarian dysfunctionBillable›E28.9Ovarian dysfunction, unspecifiedBillable›E29Testicular dysfunctionNon-Billable›E29.0Testicular hyperfunctionBillable›E29.1Testicular hypofunctionBillable›E29.8Other testicular dysfunctionBillable›E29.9Testicular dysfunction, unspecifiedBillable›E30Disorders of puberty, not elsewhere classifiedNon-Billable›E30.0Delayed pubertyBillable›E30.1Precocious pubertyBillable›E30.8Other disorders of pubertyBillable›E30.9Disorder of puberty, unspecifiedBillable›E31Polyglandular dysfunctionNon-Billable›E31.0Autoimmune polyglandular failureBillable›E31.1Polyglandular hyperfunctionBillable›E31.2Multiple endocrine neoplasia [MEN] syndromesNon-Billable›E31.20Multiple endocrine neoplasia [MEN] syndrome, unspecifiedBillable›E31.21Multiple endocrine neoplasia [MEN] type IBillable›E31.22Multiple endocrine neoplasia [MEN] type IIABillable›E31.23Multiple endocrine neoplasia [MEN] type IIBBillable›E31.8Other polyglandular dysfunctionBillable›E31.9Polyglandular dysfunction, unspecifiedBillable›E32Diseases of thymusNon-Billable›E32.0Persistent hyperplasia of thymusBillable›E32.1Abscess of thymusBillable›E32.8Other diseases of thymusBillable›E32.9Disease of thymus, unspecifiedBillable›E34Other endocrine disordersNon-Billable›E34.0Carcinoid syndromeNon-Billable›E34.00Carcinoid syndrome, unspecifiedBillable›E34.01Carcinoid heart syndromeBillable›E34.09Other carcinoid syndromeBillable›E34.1Other hypersecretion of intestinal hormonesBillable›E34.2Ectopic hormone secretion, not elsewhere classifiedBillable›E34.3Short stature due to endocrine disorderNon-Billable›E34.30Short stature due to endocrine disorder, unspecifiedBillable›E34.31Constitutional short statureBillable›E34.32Genetic causes of short statureNon-Billable›E34.321Primary insulin-like growth factor-1 (IGF-1) deficiencyBillable›E34.322Insulin-like growth factor-1 (IGF-1) resistanceBillable›E34.328Other genetic causes of short statureBillable›E34.329Unspecified genetic causes of short statureBillable›E34.39Other short stature due to endocrine disorderBillable›E34.4Constitutional tall statureBillable›E34.5Androgen insensitivity syndromeNon-Billable›E34.50Androgen insensitivity syndrome, unspecifiedBillable›E34.51Complete androgen insensitivity syndromeBillable›E34.52Partial androgen insensitivity syndromeBillable›E34.8Other specified endocrine disordersBillable›E34.9Endocrine disorder, unspecifiedBillable›E35Disorders of endocrine glands in diseases classified elsewhereBillable›