2020 ICD-10-CM Diagnosis Code K85.91

Acute pancreatitis with uninfected necrosis, unspecified

    2017 - New Code 2018 2019 2020 Billable/Specific Code
  • K85.91 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM K85.91 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K85.91 - other international versions of ICD-10 K85.91 may differ.
The following code(s) above K85.91 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K85.91:
  • K00-K95
    2020 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • 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)
    Diseases of the digestive system
  • K85
    ICD-10-CM Diagnosis Code K85

    Acute pancreatitis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • acute (recurrent) pancreatitis
    • subacute pancreatitis
    Acute pancreatitis
  • K85.9
    ICD-10-CM Diagnosis Code K85.9

    Acute pancreatitis, unspecified

      2016 2017 - Converted to Parent Code 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Pancreatitis NOS
    Acute pancreatitis, unspecified
ICD-10-CM K85.91 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 438 Disorders of pancreas except malignancy with mcc
  • 439 Disorders of pancreas except malignancy with cc
  • 440 Disorders of pancreas except malignancy without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert K85.91 to ICD-9-CM

Code History
  • 2017 (effective 10/1/2016): New code
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to K85.91:
  • Pancreatitis (annular) (apoplectic) (calcareous) (edematous) (hemorrhagic) (malignant) (recurrent) (subacute) (suppurative) K85.90
    ICD-10-CM Diagnosis Code K85.90

    Acute pancreatitis without necrosis or infection, unspecified

      2017 - New Code 2018 2019 2020 Billable/Specific Code
    • with necrosis (uninfected) K85.91
    • acute (without necrosis or infection) K85.90
      ICD-10-CM Diagnosis Code K85.90

      Acute pancreatitis without necrosis or infection, unspecified

        2017 - New Code 2018 2019 2020 Billable/Specific Code

ICD-10-CM Codes Adjacent To K85.91
K85.3 Drug induced acute pancreatitis
K85.30 …… without necrosis or infection
K85.31 …… with uninfected necrosis
K85.32 …… with infected necrosis
K85.8 Other acute pancreatitis
K85.80 …… without necrosis or infection
K85.81 …… with uninfected necrosis
K85.82 …… with infected necrosis
K85.9 Acute pancreatitis, unspecified
K85.90 Acute pancreatitis without necrosis or infection, unspecified
K85.91 Acute pancreatitis with uninfected necrosis, unspecified
K85.92 Acute pancreatitis with infected necrosis, unspecified
K86 Other diseases of pancreas
K86.0 Alcohol-induced chronic pancreatitis
K86.1 Other chronic pancreatitis
K86.2 Cyst of pancreas
K86.3 Pseudocyst of pancreas
K86.8 Other specified diseases of pancreas
K86.81 Exocrine pancreatic insufficiency
K86.89 Other specified diseases of pancreas
K86.9 Disease of pancreas, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.