2023 ICD-10-CM Diagnosis Code E24.3

Ectopic ACTH syndrome

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • E24.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM E24.3 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of E24.3 - other international versions of ICD-10 E24.3 may differ.
The following code(s) above E24.3 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 E24.3:
  • 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
  • E24
    ICD-10-CM Diagnosis Code E24

    Cushing's syndrome

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital adrenal hyperplasia (E25.0)
    Cushing's syndrome
Clinical Information
  • A syndrome characterized by abnormal secretion of adrenocorticotrophic hormone in conjunction with neoplastic growth occurring anywhere in the body. The most common associations are tumors of the bronchus (oat cell or carcinoid), thymic tumors (epithelial or carcinoid), and pancreatic endocrine tumor. (devita et al. Cancer, p 1364. 4th edition. Lippincott)
  • Symptom complex due to acth production by non-pituitary neoplasms.
ICD-10-CM E24.3 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 643 Endocrine disorders with mcc
  • 644 Endocrine disorders with cc
  • 645 Endocrine disorders without cc/mcc

Convert E24.3 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to E24.3:
  • Type 1 Excludes: E34.2
    ICD-10-CM Diagnosis Code E34.2

    Ectopic hormone secretion, not elsewhere classified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Type 1 Excludes
    • ectopic ACTH syndrome (E24.3)

Diagnosis Index entries containing back-references to E24.3:
  • ACTH ectopic syndrome E24.3
  • Ectopic, ectopia (congenital)
    • ACTH syndrome E24.3
  • Syndrome - see also Disease
    • Cushing's E24.9
      ICD-10-CM Diagnosis Code E24.9

      Cushing's syndrome, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • ectopic ACTH E24.3

ICD-10-CM Codes Adjacent To E24.3
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
E25 Adrenogenital disorders
E25.0 Congenital adrenogenital disorders associated with enzyme deficiency
E25.8 Other adrenogenital disorders
E25.9 Adrenogenital disorder, unspecified
E26 Hyperaldosteronism
E26.0 Primary hyperaldosteronism
E26.01 Conn's syndrome

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