2017/18 ICD-10-CM Diagnosis Code E22

Hyperfunction of pituitary gland

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as E22. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Cushing's syndrome (
    ICD-10-CM Diagnosis Code E24
    • E24 Cushing's syndrome
      • E24.0 Pituitary-dependent Cushing's disease
      • E24.1 Nelson's syndrome
      • E24.2 Drug-induced Cushing's syndrome
      • E24.3 Ectopic ACTH syndrome
      • E24.4 Alcohol-induced pseudo-Cushing's syndrome
      • E24.8 Other Cushing's syndrome
      • E24.9 Cushing's syndrome, unspecified
    E24.-
    )
  • Nelson's syndrome (
    ICD-10-CM Diagnosis Code E24.1

    Nelson's syndrome

      2016 2017 2018 Billable/Specific Code
    E24.1
    )
  • overproduction of ACTH not associated with Cushing's disease (
    ICD-10-CM Diagnosis Code E27.0

    Other adrenocortical overactivity

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Overproduction of ACTH, not associated with Cushing's disease
    • Premature adrenarche
    Type 1 Excludes
    • Cushing's syndrome (E24.-)
    E27.0
    )
  • overproduction of pituitary ACTH (
    ICD-10-CM Diagnosis Code E24.0

    Pituitary-dependent Cushing's disease

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Overproduction of pituitary ACTH
    • Pituitary-dependent hypercorticalism
    E24.0
    )
  • overproduction of thyroid-stimulating hormone (
    ICD-10-CM Diagnosis Code E05.8

    Other thyrotoxicosis

      2016 2017 2018 Non-Billable/Non-Specific Code
    Applicable To
    • Overproduction of thyroid-stimulating hormone
    E05.8-
    )
The following code(s) above E22 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to E22:
  • E00-E89
    2018 ICD-10-CM Range E00-E89

    Endocrine, nutritional and metabolic diseases

    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.
    Type 1 Excludes
    • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
    Endocrine, nutritional and metabolic diseases
  • E20-E35
    2018 ICD-10-CM Range E20-E35

    Disorders of other endocrine glands

    Type 1 Excludes
    Disorders of other endocrine glands
Code History
ICD-10-CM Codes Adjacent To E22
E20.1 Pseudohypoparathyroidism
E20.8 Other hypoparathyroidism
E20.9 Hypoparathyroidism, unspecified
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
E22 Hyperfunction of pituitary gland
E22.0 Acromegaly and pituitary gigantism
E22.1 Hyperprolactinemia
E22.2 Syndrome of inappropriate secretion of antidiuretic hormone
E22.8 Other hyperfunction of pituitary gland
E22.9 Hyperfunction of pituitary gland, unspecified
E23 Hypofunction and other disorders of the pituitary gland
E23.0 Hypopituitarism
E23.1 Drug-induced hypopituitarism
E23.2 Diabetes insipidus
E23.3 Hypothalamic dysfunction, not elsewhere classified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.