E21
Hyperparathyroidism and other disorders of parathyroid gland
Header / non-billable
Choose the additional character
E21 needs more characters to be billable. Pick the specific code below.
- 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
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · E21
Inherited from E20-E35Disorders of other endocrine glands
Inherited from chapter 4Endocrine, nutritional and metabolic diseases
Excludes 1
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Note
All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.