D3A.091 — Benign carcinoid tumor of the thymus

Billable

Is D3A.091 billable?

Yes — D3A.091 is billable for FY2027. D3A.091 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D3A.091 may be submitted for encounters from October 1, 2026 through September 30, 2027.

D3A.091 at a glance

Code	D3A.091
Description	Benign carcinoid tumor of the thymus
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does D3A.091 group to?

D3A.091 sits in MDC 16 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.

814Reticuloendothelial and Immunity Disorders with MCCmedical
815Reticuloendothelial and Immunity Disorders with CCmedical
816Reticuloendothelial and Immunity Disorders without CC/MCCmedical

How is D3A.091 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to D3A.091. They show the wording a clinician may have documented, which often differs from the Tabular description.

Tumor › carcinoid › benign › thymus

Use additional code — inherited from D3A

Report an additional code alongside D3A.091 to fully describe the condition. D3A.091 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.091, but a patient may have both at the same time. When documentation supports it, D3A.091 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.091 is sequenced first depends on the reason for the encounter.

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

How long has D3A.091 existed?

D3A.091 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.