E21

The ICD-10-CM code for hyperparathyroidism and other disorders of parathyroid gland is E21. The full clinical description is "Hyperparathyroidism and other disorders of parathyroid gland". E21 is a non-billable header code. Use a more specific child code for billing purposes.

ICD-10-CM code E21 represents “Hyperparathyroidism and other disorders of parathyroid gland”. It is classified under Chapter 4: Endocrine, Nutritional and Metabolic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.

No, E21 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under E21.

E21 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).

E21 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74); galactorrhea (N64.3); gynecomastia (N62); and 4 more.

E21 has 6 child codes, including: E21.0 (Primary hyperparathyroidism), E21.1 (Secondary hyperparathyroidism, not elsewhere classified), E21.2 (Other hyperparathyroidism), E21.3 (Hyperparathyroidism, unspecified), and 2 more.

E21 is linked to 1 UMLS Concept Unique Identifier: C0494304. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hyperparathyroidism and other disorders of parathyroid gland affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

E21 maps to the ICD-11 code: 5A5Z (Disorders of the parathyroids or parathyroid hormone system, unspecified).