2025 ICD-10-CM Diagnosis Code E34.01

Carcinoid heart syndrome

• E34.01 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• ICD-10-CM E34.01 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
• This is the American ICD-10-CM version of E34.01 – other international versions of ICD-10 E34.01 may differ.

Applicable To

• Carcinoid heart disease
• Hedinger syndrome

The following code(s) above E34.01 contain annotation back-references

 that may be applicable to E34.01:

• E00-E89  Endocrine, nutritional and metabolic diseases
• E20-E35  Disorders of other endocrine glands
• E34  Other endocrine disorders
• E34.0  Carcinoid syndrome

ICD-10-CM E34.01 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 643 Endocrine disorders with mcc
• 644 Endocrine disorders with cc
• 645 Endocrine disorders without cc/mcc

Code History

• 2025 (effective 10/1/2024): New code

Diagnosis Index entries containing back-references to E34.01:

• CarcinoidosisE34.00
  • heart E34.01
• Disease, diseased – see also Syndrome
  • carcinoidE34.00
    • heart E34.01
• Syndrome – see also Disease
  • carcinoidE34.00
    • heart E34.01
  • Hedinger’s E34.01