2019 ICD-10-CM Diagnosis Code K90.1

Tropical sprue

    2016 2017 2018 2019 Billable/Specific Code
  • K90.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM K90.1 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of K90.1 - other international versions of ICD-10 K90.1 may differ.
Applicable To
  • Sprue NOS
  • Tropical steatorrhea
The following code(s) above K90.1 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 K90.1:
  • K00-K95
    2019 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 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • intestinal malabsorption following gastrointestinal surgery (K91.2)
    Intestinal malabsorption
Clinical Information
  • A chronic malabsorption syndrome, occurring mainly in residents of or visitors to the tropics or subtropics. The failed intestinal absorption of nutrients from the small intestine results in malnutrition and anemia that is due to folic acid deficiency.
  • Chronic malabsorption syndrome occuring mainly in residents of or visitors to the tropics or subtropics; failed intestinal absorption of nutrients results in malnutrition and anemia due to folate deficiency.
ICD-10-CM K90.1 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
  • 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert K90.1 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

Diagnosis Index entries containing back-references to K90.1:
  • Cochin-China diarrhea K90.1
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
    ICD-10-CM Diagnosis Code R19.7

    Diarrhea, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Diarrhea NOS
    Type 1 Excludes
    • functional diarrhea (K59.1)
    • neonatal diarrhea (P78.3)
    • psychogenic diarrhea (F45.8)
  • Psilosis (sprue) (tropical) K90.1
  • Sprue (tropical) K90.1
  • Steatorrhea (chronic) K90.9
    ICD-10-CM Diagnosis Code K90.9

    Intestinal malabsorption, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    • tropical K90.1

ICD-10-CM Codes Adjacent To K90.1
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
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

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