E34.01 – Carcinoid heart syndrome

ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands

Billable code

ICD-10-CM code E34.01

Code: E34.01 (claims format: E3401)
Description: Carcinoid heart syndrome
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block: E20-E35 Disorders of other endocrine glands
Parent codes: E34 › E34.0

Notes for E34.01

Applicable to:

Carcinoid heart disease
Hedinger syndrome

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E34 – Other endocrine disorders

Excludes1 (not coded here):

pseudohypoparathyroidism (E20.1)

E34.0 – Carcinoid syndrome

Code also:

the underlying disorder, such as:
primary neuroendocrine tumors (C7A.-)
secondary neuroendocrine tumors (C7B.-)

Block E20-E35

Excludes1 (not coded here):

galactorrhea (N64.3)
gynecomastia (N62)

Index terms for E34.01

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E34.0

E34.00 – Carcinoid syndrome, unspecifiedBillable
E34.09 – Other carcinoid syndromeBillable

Frequently asked questions

What is ICD-10 code E34.01?

E34.01 is the ICD-10-CM code for carcinoid heart syndrome, in the block E20-E35 (Disorders of other endocrine glands).

Is E34.01 a billable code?

Yes. E34.01 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E34.01 belong to?

It belongs to category E34 – Other endocrine disorders.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.