D3A.021 — Benign carcinoid tumor of the cecum

Billable

Is D3A.021 billable?

Yes — D3A.021 is billable for FY2027. D3A.021 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D3A.021 may be submitted for encounters from October 1, 2026 through September 30, 2027.

D3A.021 at a glance

Code	D3A.021
Description	Benign carcinoid tumor of the cecum
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does D3A.021 group to?

D3A.021 sits in MDC 06 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

393Other Digestive System Diagnoses with MCCmedical
394Other Digestive System Diagnoses with CCmedical
395Other Digestive System Diagnoses without CC/MCCmedical

How is D3A.021 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to D3A.021. They show the wording a clinician may have documented, which often differs from the Tabular description.

Tumor › carcinoid › benign › cecum

Use additional code — inherited from D3A

Report an additional code alongside D3A.021 to fully describe the condition. D3A.021 is sequenced first.

code to identify any associated endocrine syndrome, such as:
carcinoid syndrome (E34.00)

Excludes2 — not included here — inherited from D3A

The conditions below are not part of D3A.021, but a patient may have both at the same time. When documentation supports it, D3A.021 and the excluded code may both be reported.

benign pancreatic islet cell tumors (D13.7)

Code also — inherited from D3A

Two codes may be needed to describe the condition fully. Whether D3A.021 is sequenced first depends on the reason for the encounter.

any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)

How long has D3A.021 existed?

D3A.021 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.