2020 ICD-10-CM Diagnosis Code E23.3

Hypothalamic dysfunction, not elsewhere classified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • E23.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM E23.3 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of E23.3 - other international versions of ICD-10 E23.3 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 E23.3. 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.
  • Prader-Willi syndrome (
    ICD-10-CM Diagnosis Code Q87.11

    Prader-Willi syndrome

      2020 - New Code Billable/Specific Code POA Exempt
    Q87.11
    )
  • Russell-Silver syndrome (
    ICD-10-CM Diagnosis Code Q87.19

    Other congenital malformation syndromes predominantly associated with short stature

      2020 - New Code Billable/Specific Code POA Exempt
    Applicable To
    • Aarskog syndrome
    • Cockayne syndrome
    • De Lange syndrome
    • Dubowitz syndrome
    • Noonan syndrome
    • Robinow-Silverman-Smith syndrome
    • Russell-Silver syndrome
    • Seckel syndrome
    Q87.19
    )
The following code(s) above E23.3 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 E23.3:
  • E00-E89
    2020 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
    2020 ICD-10-CM Range E20-E35

    Disorders of other endocrine glands

    Type 1 Excludes
    Disorders of other endocrine glands
  • E23
    ICD-10-CM Diagnosis Code E23

    Hypofunction and other disorders of the pituitary gland

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • the listed conditions whether the disorder is in the pituitary or the hypothalamus
    Type 1 Excludes
    • postprocedural hypopituitarism (E89.3)
    Hypofunction and other disorders of the pituitary gland
Approximate Synonyms
  • Exercise induced hypothalamic insufficiency
  • Hypothalamic insufficiency, exercise induced
  • Hypothalamic insufficiency, primary
  • Hypothalamic syndrome
  • Primary hypothalamic insufficiency
ICD-10-CM E23.3 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 643 Endocrine disorders with mcc
  • 644 Endocrine disorders with cc
  • 645 Endocrine disorders without cc/mcc

Convert E23.3 to ICD-9-CM

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

Diagnosis Index entries containing back-references to E23.3:

ICD-10-CM Codes Adjacent To E23.3
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
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

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