E34.0
ICD-10Non-billable categoryCarcinoid syndrome
Official ICD-10-CM descriptor (FY2026)
Carcinoid syndrome
E34.0 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Code also
Two codes may be needed; sequencing depends on the reason for the encounter.
- the underlying disorder, such as:
- primary neuroendocrine tumors (C7A.-)
- secondary neuroendocrine tumors (C7B.-)
ICD-10-CM FY2026 defines 3 codes beneath E34.0. See the ICD-10-CM index for what this site publishes.
Related codes in E34
- E34.1Other hypersecretion of intestinal hormones
- E34.2Ectopic hormone secretion, not elsewhere classified
- E34.3Short stature due to endocrine disordercategory
- E34.4Constitutional tall stature
- E34.5Androgen insensitivity syndromecategory
- E34.8Other specified endocrine disorders
- E34.9Endocrine disorder, unspecified
Where this code sits
- Parent code
- E34
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.