2023

  1. ICD-10-CM Codes
    2. ›
  2. E00-E89
    3. ›
  3. E20-E35
    4. ›
  4. E23-
    5. ›
  5. 2023 ICD-10-CM Diagnosis Code E23

2023 ICD-10-CM Diagnosis Code E23

Hypofunction and other disorders of the pituitary gland

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • E23 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM E23 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of E23 - other international versions of ICD-10 E23 may differ.
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 E23. 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.
  • postprocedural hypopituitarism (
    ICD-10-CM Diagnosis Code E89.3

    Postprocedural hypopituitarism

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Postirradiation hypopituitarism
    E89.3
    )
  • short stature due to endocrine disorder (
    ICD-10-CM Diagnosis Code E34.3

    Short stature due to endocrine disorder

      2016 2017 2018 2019 2020 2021 2022 2023 - Converted to Parent Code Non-Billable/Non-Specific Code
    Type 1 Excludes
    • achondroplastic short stature (Q77.4)
    • hypochondroplastic short stature (Q77.4)
    • nutritional short stature (E45)
    • pituitary short stature (E23.0)
    • progeria (E34.8)
    • renal short stature (N25.0)
    • Russell-Silver syndrome (Q87.19)
    • short-limbed stature with immunodeficiency (D82.2)
    • short stature (child) (R62.52)
    • short stature in specific dysmorphic syndromes - code to syndrome - see Alphabetical Index
    • short stature NOS (R62.52)
    E34.3-
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • the listed conditions whether the disorder is in the pituitary or the hypothalamus
The following code(s) above E23 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 E23:
  • E00-E89
    2023 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
    2023 ICD-10-CM Range E20-E35

    Disorders of other endocrine glands

    Type 1 Excludes
    Disorders of other endocrine glands
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To E23
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
E23.6 Other disorders of pituitary gland
E23.7 Disorder of pituitary gland, unspecified
E24 Cushing's syndrome
E24.0 Pituitary-dependent Cushing's disease
E24.1 Nelson's syndrome
E24.2 Drug-induced Cushing's syndrome

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

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