ICD-10-CM code "E21.1": Secondary hyperparathyroidism, not elsewhere classified (2024)

Overview

ICD-10 CodeE21.1
DescriptionSecondary hyperparathyroidism, not elsewhere classified
Hierarchy
  1. Endocrine, nutritional and metabolic diseases (E00-E89)
  2. Disorders of other endocrine glands (E20-E35)
  3. Hyperparathyroidism and other disorders of parathyroid gland (E21)
  4. Secondary hyperparathyroidism, not elsewhere classified (E21.1)
Billable statusICD-10-CM Billable code

Excludes

  1. Endocrine, nutritional and metabolic diseases (E00-E89)

    Type 1transitory endocrine and metabolic disorders specific to newborn (P70-P74)

  2. Disorders of other endocrine glands (E20-E35)

    Type 1galactorrhea (N64.3)

    Type 1gynecomastia (N62)

  3. Hyperparathyroidism and other disorders of parathyroid gland (E21)

    Type 1adult osteomalacia (M83.-)

    Type 1ectopic hyperparathyroidism (E34.2)

    Type 1hungry bone syndrome (E83.81)

    Type 1infantile and juvenile osteomalacia (E55.0)

    Type 2familial hypocalciuric hypercalcemia (E83.52)

  4. Secondary hyperparathyroidism, not elsewhere classified (E21.1)

    Type 1secondary hyperparathyroidism of renal origin (N25.81)

Includes

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