2020 ICD-10-CM Diagnosis Code E34.2

Ectopic hormone secretion, not elsewhere classified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • E34.2 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 E34.2 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of E34.2 - other international versions of ICD-10 E34.2 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 E34.2. 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.
  • ectopic ACTH syndrome (
    ICD-10-CM Diagnosis Code E24.3

    Ectopic ACTH syndrome

      2016 2017 2018 2019 2020 Billable/Specific Code
    E24.3
    )
The following code(s) above E34.2 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 E34.2:
  • 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
  • E34
    ICD-10-CM Diagnosis Code E34

    Other endocrine disorders

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • pseudohypoparathyroidism (E20.1)
    Other endocrine disorders
Approximate Synonyms
  • Ectopic hormone secretion disorder
  • Ectopic production of endocrine substance
ICD-10-CM E34.2 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 E34.2 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
Code annotations containing back-references to E34.2:
  • Type 1 Excludes: E21
    ICD-10-CM Diagnosis Code E21

    Hyperparathyroidism and other disorders of parathyroid gland

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • adult osteomalacia (M83.-)
    • ectopic hyperparathyroidism (E34.2)
    • familial hypocalciuric hypercalcemia (E83.52)
    • hungry bone syndrome (E83.81)
    • infantile and juvenile osteomalacia (E55.0)

Diagnosis Index entries containing back-references to E34.2:

ICD-10-CM Codes Adjacent To E34.2
E31.8 Other polyglandular dysfunction
E31.9 Polyglandular dysfunction, unspecified
E32 Diseases of thymus
E32.0 Persistent hyperplasia of thymus
E32.1 Abscess of thymus
E32.8 Other diseases of thymus
E32.9 Disease of thymus, unspecified
E34 Other endocrine disorders
E34.0 Carcinoid syndrome
E34.1 Other hypersecretion of intestinal hormones
E34.2 Ectopic hormone secretion, not elsewhere classified
E34.3 Short stature due to endocrine disorder
E34.4 Constitutional tall stature
E34.5 Androgen insensitivity syndrome
E34.50 …… unspecified
E34.51 Complete androgen insensitivity syndrome
E34.52 Partial androgen insensitivity syndrome
E34.8 Other specified endocrine disorders
E34.9 Endocrine disorder, unspecified
E35 Disorders of endocrine glands in diseases classified elsewhere
E36 Intraoperative complications of endocrine system

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