E21

Hyperparathyroidism and other disorders of parathyroid gland

Inclusion Terms

None inclusion terms specified for this code.

Code First

None code first specified for this code.

Use Additional Code

None use additional code specified for this code.

Cannot Code Together

These codes cannot be used together with the current code, even if both conditions are present.

  • adult osteomalacia (M83.-)
  • ectopic hyperparathyroidism (E34.2)
  • hungry bone syndrome (E83.81)
  • infantile and juvenile osteomalacia (E55.0)

Can Code Together

These codes can be used together with the current code if both conditions are documented.

  • familial hypocalciuric hypercalcemia (E83.52)