Is E34.09 a billable ICD-10-CM code?

Yes. E34.09 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E34.09 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Disorders of other endocrine glands (E20-E35).

What cannot be coded together with E34.09?

E34.09 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above E34.09 (E34) and apply to it just the same.

E34.09

E34.09 — Other carcinoid syndrome

Billable / specific codeICD-10-CM

E34.09 is a billable, specific ICD-10-CM code for other carcinoid syndrome. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Carcinoid disease NEC
Carcinoid syndrome NEC
Other carcinoid disease

Excludes1 inherited from the categories above E34.09

These are not written on E34.09, but they bind it: a note on a category applies to every code beneath it. Billing E34.09 with anything listed here is a denial.

Written on E34 — Other endocrine disorders

pseudohypoparathyroidism (E20.1)

Risk adjustment

E34.09 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 17 Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic4.209 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

E34.09 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52479Oral Anticancer Drugs - Policy Article
A52479Oral Anticancer Drugs - Policy Article
A53095Billing and Coding: Lab: Bladder/Urothelial Tumor Markers
A55028Billing and Coding: Lab: Bladder/Urothelial Tumor Markers

How E34.09 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to E34.09.

Björck(-Thorson) syndrome (malignant carcinoid)
Cassidy(-Scholte) syndrome (malignant carcinoid)
Flush syndrome
Scholte's syndrome(malignant carcinoid)
Thorson-Björck syndrome
Argentaffinoma›syndrome
Syndrome›argentaffin, argintaffinoma
Syndrome›Björck(-Thorsen)
Syndrome›Cassidy(-Scholte)
Syndrome›flush
Syndrome›Scholte's
Syndrome›Thorson-Björck

Code history

What changed, and when. Derived by diffing consecutive CMS release files — which matters when you are defending a code assigned under an earlier edition.

addedFY2024-FY2026
Other carcinoid syndrome

Related codes at this level

Codes that share E34.0. If E34.09 is not quite right, the correct code is usually one of these.

Questions about E34.09

Is E34.09 a billable ICD-10-CM code?: Yes. E34.09 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E34.09 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Disorders of other endocrine glands (E20-E35).
What cannot be coded together with E34.09?: E34.09 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above E34.09 (E34) and apply to it just the same.