D12.6 — Benign neoplasm of colon, unspecified

BillableUnspecified

Is D12.6 billable?

Yes, but D12.6 is an unspecified code. D12.6 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, D12.6 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting D12.6 — the more specific alternatives are listed below.

More specific alternatives

D12.6 at a glance

Code	D12.6
Description	Benign neoplasm of colon, unspecified
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does D12.6 group to?

D12.6 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 D12.6 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to D12.6. They show the wording a clinician may have documented, which often differs from the Tabular description.

Adenomatosis › unspecified site
Dysplasia › colon
Dysplasia › high grade, focal
Polyposis › coli
Polyposis › colon
Polyposis › familial
Polyposis › intestinal
Polyp, polypus › cecum › adenomatous
Polyp, polypus › colon › adenomatous

Excludes2 — not included here

The conditions below are not part of D12.6, but a patient may have both at the same time. When documentation supports it, D12.6 and the excluded code may both be reported.

inflammatory polyp of colon (K51.4-)

Inclusion terms

Alternative wording in documentation that is classified to D12.6.

Adenomatosis of colon
Benign neoplasm of large intestine NOS
Polyposis (hereditary) of colon

Excludes2 — not included here — inherited from D12

The conditions below are not part of D12.6, but a patient may have both at the same time. When documentation supports it, D12.6 and the excluded code may both be reported.

benign carcinoid tumors of the large intestine and rectum (D3A.02-)
polyp of colon NOS (K63.5)

How long has D12.6 existed?

D12.6 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.