D13.5 — Benign neoplasm of extrahepatic bile ducts

Billable

Is D13.5 billable?

Yes — D13.5 is billable for FY2027. D13.5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D13.5 may be submitted for encounters from October 1, 2026 through September 30, 2027.

D13.5 at a glance

Code	D13.5
Description	Benign neoplasm of extrahepatic bile ducts
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does D13.5 group to?

D13.5 sits in MDC 07 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.

441Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with MCCmedical
442Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with CCmedical
443Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis without CC/MCCmedical

How is D13.5 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to D13.5. They show the wording a clinician may have documented, which often differs from the Tabular description.

Adenoma › bile duct › common
Adenoma › bile duct › extrahepatic

Excludes1 — never code together — inherited from D13

The conditions below can never be reported together with D13.5 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

benign stromal tumors of digestive system (D21.4)

How long has D13.5 existed?

D13.5 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.