Kodex

Code

E21.1

Secondary hyperparathyroidism, not elsewhere classified

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Hierarchy

E00-E89 Endocrine, nutritional and metabolic diseases (E00-E89)
- E20-E35 Disorders of other endocrine glands (E20-E35)
  - E21 Hyperparathyroidism and other disorders of parathyroid gland
    - E21.0 Primary hyperparathyroidism
    - E21.1 Secondary hyperparathyroidism, not elsewhere classified
    - E21.2 Other hyperparathyroidism
    - E21.3 Hyperparathyroidism, unspecified
    - E21.4 Other specified disorders of parathyroid gland
    - E21.5 Disorder of parathyroid gland, unspecified

Notes

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.
- E07.0 Hypersecretion of calcitonin
- E34 Other endocrine disorders

Excludes 1

E21.1

N25.81 Secondary hyperparathyroidism of renal origin

M83 Adult osteomalacia
ectopic hyperparathyroidism (E34.2)
- E34.2 Ectopic hormone secretion, not elsewhere classified
E83.81 Hungry bone syndrome
infantile and juvenile osteomalacia (E55.0)
- E55.0 Rickets, active

galactorrhea (N64.3)
- N64.3 Galactorrhea not associated with childbirth
gynecomastia (N62)
- N62 Hypertrophy of breast

P70-P74 Transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes 2

familial hypocalciuric hypercalcemia (E83.52)
- E83.52 Hypercalcemia