Short answer · Medically reviewed summary · Last updated: 2026-05-08

Carcinoid Syndrome is classified under the ICD-10-CM code E34.0, while the historical ICD-9-CM code for this condition is 259.2. These billing codes are essential for healthcare providers to document the systemic symptoms caused by neuroendocrine tumors that secrete bioactive substances into the bloodstream. What is the clinical significance of the ICD codes for Carcinoid Syndrome? The ICD-10 code E34.0 specifically identifies Carcinoid Syndrome, which occurs when neuroendocrine tumors—most commonly arising in the gastrointestinal tract or lungs—metastasize to the liver and release hormones like serotonin.

1 people with Carcinoid Syndrome have shared their first-person experience on this question at DiseaseMaps.

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ICD10 code of Carcinoid Syndrome and ICD9 code

ICD-10 and ICD-9 codes for Carcinoid Syndrome, with classification details for clinicians, coders and patients.

ICD9 and ICD10 codes of Carcinoid Syndrome

Carcinoid Syndrome is classified under the ICD-10-CM code E34.0, while the historical ICD-9-CM code for this condition is 259.2. These billing codes are essential for healthcare providers to document the systemic symptoms caused by neuroendocrine tumors that secrete bioactive substances into the bloodstream.



What is the clinical significance of the ICD codes for Carcinoid Syndrome?


The ICD-10 code E34.0 specifically identifies Carcinoid Syndrome, which occurs when neuroendocrine tumors—most commonly arising in the gastrointestinal tract or lungs—metastasize to the liver and release hormones like serotonin. Using the correct code ensures that patients receive appropriate insurance coverage for specialized treatments, such as somatostatin analogs, which are standard for managing Carcinoid Syndrome symptoms.



What are the primary symptoms associated with Carcinoid Syndrome?


Because Carcinoid Syndrome involves the systemic release of hormones, patients often experience a constellation of debilitating physical symptoms. Understanding these signs is vital for early intervention within our community of 49 members currently sharing their experiences on DiseaseMaps.org.



  • Flushing: Sudden reddening of the face, neck, or upper chest.

  • Diarrhea: Frequent, watery stools often unresponsive to standard anti-diarrheal medication.

  • Wheezing: Bronchospasm similar to asthma, caused by hormonal influence on airways.

  • Cardiac Valvular Disease: Fibrotic thickening of the heart valves, particularly the tricuspid valve, occurring in chronic cases.



How is Carcinoid Syndrome typically managed?


Management of Carcinoid Syndrome requires a multidisciplinary approach involving endocrinologists, oncologists, and gastroenterologists. Treatment focus is placed on reducing the tumor burden and controlling the hormonal output that triggers the systemic symptoms of Carcinoid Syndrome.



Next steps



  • Consult with a neuroendocrine tumor (NET) specialist to ensure your treatment plan is current.

  • Join the Carcinoid Syndrome community at DiseaseMaps.org to connect with others navigating similar diagnostic and treatment journeys.

  • Maintain a symptom diary to track the frequency of flushing and GI distress for your next clinical appointment.



Medical disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment from a qualified healthcare provider.



References



  • NIH Genetic and Rare Diseases Information Center (GARD): Carcinoid Syndrome.

  • Orphanet: Neuroendocrine tumor (ORPHA:612).

  • ICD-10-CM Browser (CMS): Code E34.0.

  • The Neuroendocrine Cancer Awareness Network (NCAN).

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-05-08
Sources cited: NIH Genetic and Rare Diseases Information Center (GARD): Carcinoid Syndrome. · Orphanet: Neuroendocrine tumor (ORPHA:612). · ICD-10-CM Browser (CMS): Code E34.0. · The Neuroendocrine Cancer Awareness Network (NCAN).
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
2 answers
ICD9 code is 209.0 and up depending on where it is located.

Posted Sep 14, 2017 by Vickie 2000

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