E34.2
Billable codeEctopic hormone secretion, not elsewhere classified
The ICD-10 code for ectopic hormone secretion, not elsewhere classified is E34.2.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- ectopic ACTH syndrome (E24.3)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E34.0Carcinoid syndromenon-billable header
- E34.1Other hypersecretion of intestinal hormones
- E34.3Short stature due to endocrine disordernon-billable header
- E34.4Constitutional tall stature
- E34.5Androgen insensitivity syndromenon-billable header
- E34.8Other specified endocrine disorders
- E34.9Endocrine disorder, unspecified
- E34.2Ectopic hormone secretion, not elsewhere classified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2593
Associated MS-DRGs
E34.2 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.