E20-E35 — Disorders of other endocrine glands
ICD-10-CM codes E20-E35 cover disorders of other endocrine glands, within endocrine, nutritional and metabolic diseases. The block holds 125 codes across 15 categories, of which 99 are billable and 26 are header codes that cannot be submitted on a claim.
Risk adjustment in E20-E35
0 codes in this block map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded. Under-coding here is money left on the table; over-coding here is what audits are for.
- HCC 51 Addison's and Cushing's Diseases, Acromegaly, and Other Specified Endocrine Disorders
- HCC 17 Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic
What else to watch in E20-E35
- 90 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.
Categories in E20-E35
- E20Hypoparathyroidism
- E21Hyperparathyroidism and other disorders of parathyroid gland
- E22Hyperfunction of pituitary gland
- E23Hypofunction and other disorders of the pituitary gland
- E24Cushing's syndrome
- E25Adrenogenital disorders
- E26Hyperaldosteronism
- E27Other disorders of adrenal gland
- E28Ovarian dysfunction
- E29Testicular dysfunction
- E30Disorders of puberty, not elsewhere classified
- E31Polyglandular dysfunction
- E32Diseases of thymus
- E34Other endocrine disorders
- E35Disorders of endocrine glands in diseases classified elsewhere