E21 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Hyperparathyroidism and other disorders of parathyroid gland.
Type 1 excludes
Type 2 excludes
Familial hypocalciuric hypercalcemia (E83.52)
Codes
Versions
2025
No changes
2024
No changes
2023
No changes
2022
Code changed
Type 1 excludes
adult osteomalacia (M83.-)ectopic hyperparathyroidism (E34.2)familial hypocalciuric hypercalcemia (E83.52)hungry bone syndrome (E83.81)infantile and juvenile osteomalacia (E55.0)
- adult osteomalacia (M83.-)
- ectopic hyperparathyroidism (E34.2)
- hungry bone syndrome (E83.81)
- infantile and juvenile osteomalacia (E55.0)
Type 2 excludes
- familial hypocalciuric hypercalcemia (E83.52)
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code