K86Not billable, use a more specific code below

Other diseases of pancreas

In Disorders of gallbladder, biliary tract and pancreas (K80-K87), chapter 11: Diseases of the Digestive System

7 billable codes under K86: 4 are a CC; 2 map to HCC 79 (Chronic Pancreatitis).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.

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Instructional notes

Excludes2: not included here, code separately if applicable

  • fibrocystic disease of pancreas (E84.-)
  • islet cell tumor (of pancreas) (D13.7)
  • pancreatic steatorrhea (K90.3)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.

Read Section I.C.11 (page 58)

K86 MS-DRGs

As the principal diagnosis, the billable codes under K86 group to MS-DRG 438, 439, 440, 791, or 793 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to K86

Notes on these codes point to K86.

  • E08 Code First: pancreatitis and other diseases of the pancreas (K85-K86.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Pancreatic Diseases

The pancreas is a gland behind your stomach and in front of your spine. It produces juices that help break down food and hormones that help control blood sugar levels. Problems with the pancreas can lead to many health problems. These include:

Read more about pancreatic diseases on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.