2021 ICD-10-CM Diagnosis Code K90.2

Blind loop syndrome, not elsewhere classified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • K90.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM K90.2 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of K90.2 - other international versions of ICD-10 K90.2 may differ.
Applicable To
  • Blind loop syndrome NOS
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as K90.2. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • congenital blind loop syndrome (
    ICD-10-CM Diagnosis Code Q43.8

    Other specified congenital malformations of intestine

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital blind loop syndrome
    • Congenital diverticulitis, colon
    • Congenital diverticulum, intestine
    • Dolichocolon
    • Megaloappendix
    • Megaloduodenum
    • Microcolon
    • Transposition of appendix
    • Transposition of colon
    • Transposition of intestine
    Q43.8
    )
  • postsurgical blind loop syndrome (
    ICD-10-CM Diagnosis Code K91.2

    Postsurgical malabsorption, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Postsurgical blind loop syndrome
    Type 1 Excludes
    • malabsorption osteomalacia in adults (M83.2)
    • malabsorption osteoporosis, postsurgical (M80.8-, M81.8)
    K91.2
    )
The following code(s) above K90.2 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 K90.2:
  • K00-K95
    2021 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
  • K90
    ICD-10-CM Diagnosis Code K90

    Intestinal malabsorption

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • intestinal malabsorption following gastrointestinal surgery (K91.2)
    Intestinal malabsorption
Approximate Synonyms
  • Blind loop syndrome
Clinical Information
  • A malabsorption syndrome that is associated with a blind loop in the upper small intestine that is characterized by the lack of peristaltic movement, stasis of intestinal contents, and the overgrowth of bacteria. Such bacterial overgrowth interferes with bile salts action, fatty acids processing, microvilli integrity, and the absorption of nutrients such as vitamin b12 and folic acid.
ICD-10-CM K90.2 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
  • 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert K90.2 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to K90.2:

ICD-10-CM Codes Adjacent To K90.2
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
K87 Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere
K90 Intestinal malabsorption
K90.0 Celiac disease
K90.1 Tropical sprue
K90.2 Blind loop syndrome, not elsewhere classified
K90.3 Pancreatic steatorrhea
K90.4 Other malabsorption due to intolerance
K90.41 Non-celiac gluten sensitivity
K90.49 Malabsorption due to intolerance, not elsewhere classified
K90.8 Other intestinal malabsorption
K90.81 Whipple's disease
K90.89 Other intestinal malabsorption
K90.9 Intestinal malabsorption, unspecified
K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
K91.0 Vomiting following gastrointestinal surgery

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