2027 ICD-10-CM Diagnosis Code K85Acute pancreatitis

ICD-10-CM Codes›K00–K95›K80-K87›K85

ICD-10-CM K85
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

K85 is a non-billable ICD-10-CM category code for acute pancreatitis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K85.00, K85.01, K85.02, and K85.10.

Code Identity

ICD-10-CM Code
K85
Billable Status
No — Non-Billable Category
Code Describes
Acute pancreatitis
Short Description
Acute pancreatitis
Same as the full description in the CMS dataset.
Chapter
K80-K87
Disorders of gallbladder, biliary tract and pancreas

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK80-K87Disorders of gallbladder, biliary tract and pancreas
CategoryK85Acute pancreatitis
This CodeK85Acute pancreatitis

Specific Coding for Acute pancreatitisOverview

Non-specific codes like K85 require more characters. Use one of these billable codes instead:

  • K85.0 for Idiopathic acute pancreatitis

  • Use K85.00 for Idiopathic acute pancreatitis without necrosis or infection

  • Use K85.01 for Idiopathic acute pancreatitis with uninfected necrosis

  • Use K85.02 for Idiopathic acute pancreatitis with infected necrosis

  • K85.1 for Biliary acute pancreatitis

  • Use K85.10 for Biliary acute pancreatitis without necrosis or infection

  • Use K85.11 for Biliary acute pancreatitis with uninfected necrosis

  • Use K85.12 for Biliary acute pancreatitis with infected necrosis

  • K85.2 for Alcohol induced acute pancreatitis

  • Use K85.20 for Alcohol induced acute pancreatitis without necrosis or infection

  • Use K85.21 for Alcohol induced acute pancreatitis with uninfected necrosis

  • Use K85.22 for Alcohol induced acute pancreatitis with infected necrosis

  • K85.3 for Drug induced acute pancreatitis

  • Use K85.30 for Drug induced acute pancreatitis without necrosis or infection

  • Use K85.31 for Drug induced acute pancreatitis with uninfected necrosis

  • Use K85.32 for Drug induced acute pancreatitis with infected necrosis

  • K85.8 for Other acute pancreatitis

  • Use K85.80 for Other acute pancreatitis without necrosis or infection

  • Use K85.81 for Other acute pancreatitis with uninfected necrosis

  • Use K85.82 for Other acute pancreatitis with infected necrosis

  • K85.9 for Acute pancreatitis, unspecified

  • Use K85.90 for Acute pancreatitis without necrosis or infection, unspecified

  • Use K85.91 for Acute pancreatitis with uninfected necrosis, unspecified

  • Use K85.92 for Acute pancreatitis with infected necrosis, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to K85: its own notes plus those printed at Chapter 11. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

  • acute (recurrent) pancreatitis
  • subacute pancreatitis

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 11 (K00-K95) Diseases of the digestive system applies to 863 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name K85, its category, or a range that includes it.

Code First 1

These codes say to code first a condition named in the note, and K85 is one of the conditions named.

  • E08 Diabetes mellitus due to underlying condition
    pancreatitis and other diseases of the pancreas (K85-K86.-)

Clinical InformationClinical

  • Acute Pancreatitis

    an acute inflammatory process that leads to necrosis of the pancreatic parenchyma. signs and symptoms include severe abdominal pain, nausea, vomiting, diarrhea, fever, and shock. causes include alcohol consumption, presence of gallstones, trauma, and drugs.

Patient EducationClinical

Pancreatitis

The pancreas is a large gland behind the stomach and close to the first part of the small intestine. It secretes digestive juices into the small intestine through a tube called the pancreatic duct. The pancreas also releases the hormones insulin and glucagon into the bloodstream.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About K85Overview

What is the ICD-10 code for acute pancreatitis?

K85 is the ICD-10-CM category for acute pancreatitis, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is K85 (Acute pancreatitis) a billable code?

No. This is a category header that groups the codes for acute pancreatitis, and headers cannot be submitted on claims. Claims for acute pancreatitis need a more specific code from this category, such as K85.00, K85.01, and K85.02.