2025 ICD-10-CM Diagnosis Code E34.0

Carcinoid syndrome

E34.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
ICD-10-CM E34.0 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
This is the American ICD-10-CM version of E34.0 – other international versions of ICD-10 E34.0 may differ.

Code Also

The following code(s) above E34.0 contain annotation back-references

that may be applicable to E34.0:

Clinical Information

A combination of symptoms caused by the release of serotonin and other substances from carcinoid tumors of the gastrointestinal tract. Symptoms may include flushing of the face, flat angiomas (small collections of dilated blood vessels) of the skin, diarrhea, bronchial spasms, rapid pulse, and sudden drops in blood pressure.
A symptom complex associated with carcinoid tumor and characterized by attacks of severe flushing of the skin, diarrheal watery stools, bronchoconstriction, sudden drops in blood pressure, edema, and ascites. The carcinoid tumors are usually located in the gastrointestinal tract and metastasize to the liver. Symptoms are caused by tumor secretion of serotonin, prostaglandins, and other biologically active substances. Cardiac manifestations constitute carcinoid heart disease. (Dorland, 27th ed; stedman, 25th ed)

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
2024 (effective 10/1/2023): No change
2025 (effective 10/1/2024): Deleted code
2025 (effective 10/1/2024): New code