1. Home
  2. ICD-10-CM Codes
  3. K00–K95
  4. K80-K87
  5. K85
  6. 2024 ICD-10-CM Code K85.90

2024 ICD-10-CM Diagnosis Code K85.90

Acute pancreatitis without necrosis or infection, unspecified

ICD-10-CM Code:
K85.90
ICD-10 Code for:
Acute pancreatitis without necrosis or infection, unsp
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Not chronic
Code Navigator:

Code Classification

  • Diseases of the digestive system
    (K00–K95)
    • Disorders of gallbladder, biliary tract and pancreas
      (K80-K87)
      • Acute pancreatitis
        (K85)

K85.90 is a billable diagnosis code used to specify a medical diagnosis of acute pancreatitis without necrosis or infection, unspecified. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Unspecified diagnosis codes like K85.90 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Acute hemorrhagic pancreatitis
  • Acute pancreatitis
  • Acute recurrent pancreatitis
  • Anemia of endocrine disorder
  • Aplastic anemia associated with pancreatitis
  • Apoplectic pancreatitis
  • Follicular cholangitis and pancreatitis
  • Hemorrhage of pancreas
  • Ischemic pancreatitis
  • Painless pancreatitis
  • Pancreatic collection
  • Pancreatitis
  • Pancreatitis due to pancreatic duct obstruction
  • Pancytopenia with pancreatitis
  • Phlegmon of pancreas
  • Pleural effusion due to another disorder
  • Pleural effusion due to disorder of pancreas
  • Pleural effusion due to pancreatitis
  • Post-ERCP acute pancreatitis
  • Pseudocyst of pancreas
  • Pseudocyst of pancreas due to acute pancreatitis
  • Recurrent pancreatitis
  • Secondary aplastic anemia
  • Subacute pancreatitis

Clinical Classification

Clinical Information

  • Autoimmune Pancreatitis

    chronic pancreatitis associated with autoimmune diseases.

  • Pancreatitis

    inflammation of the pancreas. pancreatitis is classified as acute unless there are computed tomographic or endoscopic retrograde cholangiopancreatographic findings of chronic pancreatitis (international symposium on acute pancreatitis, atlanta, 1992). the two most common forms of acute pancreatitis are alcoholic pancreatitis and gallstone pancreatitis.

  • Pancreatitis, Acute Hemorrhagic

    an acute inflammation of the pancreas in which the initial edematous pancreatitis evolved into necrosis accompanied by hemorrhage.

  • Pancreatitis, Acute Necrotizing

    a severe form of acute inflammation of the pancreas characterized by one or more areas of necrosis in the pancreas with varying degree of involvement of the surrounding tissues or organ systems. massive pancreatic necrosis may lead to diabetes mellitus, and malabsorption.

  • Pancreatitis, Alcoholic

    acute or chronic inflammation of the pancreas due to excessive alcohol drinking. alcoholic pancreatitis usually presents as an acute episode but it is a chronic progressive disease in alcoholics.

  • Pancreatitis, Chronic

    inflammation of the pancreas that is characterized by recurring or persistent abdominal pain with or without steatorrhea or diabetes mellitus. it is characterized by the irregular destruction of the pancreatic parenchyma which may be focal, segmental, or diffuse.

  • Pancreatitis, Graft

    an inflammatory disease and serious complication of pancreas transplantation. it is caused by a premature activation of pancreatic proenzymes leading to autodigestion of the gland and can be attributed to immunological or nonimmunological causes.

  • Pancreatitis-Associated Proteins

    c-type lectins that restrict growth of bacteria in the intestinal epithelia and have bactericidal activity against gram-positive and gram-negative bacteria. they also regulate proliferation and differentiation of keratinocytes following injury. human pancreatitis-associated protein-1 (reg3a) is overexpressed by pancreatic acinar cells in patients with chronic pancreatitis. it is also highly expressed by pancreatic, bladder, and gastrointestinal cancer cells and may serve as a diagnostic biomarker.

  • Pancreas Transplantation

    the transference of a pancreas from one human or animal to another.

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Replacement Code

K8590 replaces the following previously assigned ICD-10-CM code(s):

  • K85.9 - Acute pancreatitis, unspecified

Convert K85.90 to ICD-9-CM

  • ICD-9-CM Code: 577.0 - Acute pancreatitis
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


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.

Pancreatitis is inflammation of the pancreas. It happens when digestive enzymes start digesting the pancreas itself. Pancreatitis can be acute or chronic. Either form is serious and can lead to complications.

Acute pancreatitis occurs suddenly and usually goes away in a few days with treatment. It is often caused by gallstones. Common symptoms are severe pain in the upper abdomen, nausea, and vomiting. Treatment is usually a few days in the hospital for intravenous (IV) fluids, antibiotics, and medicines to relieve pain.

Chronic pancreatitis does not heal or improve. It gets worse over time and leads to permanent damage. The most common cause is heavy alcohol use. Other causes include cystic fibrosis and other inherited disorders, high levels of calcium or fats in the blood, some medicines, and autoimmune conditions. Symptoms include nausea, vomiting, weight loss, and oily stools. Treatment may also be a few days in the hospital for intravenous (IV) fluids, medicines to relieve pain, and nutritional support. After that, you may need to start taking enzymes and eat a special diet. It is also important to not smoke or drink alcohol.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases


[Learn More in MedlinePlus]

Pancreatitis

Discusses causes, symptoms, and diagnosis of pancreatitis. Reviews treatment including eating, diet, and nutrition. Provides information on clinical trials.
[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.