ICD-11 definition : Lactose intolerance is the inability to digest lactose, a sugar found in milk and
some dairy products, due to a deficiency of lactase, the enzyme that metabolizes lactose.
Lactose intolerance occurs when lactose is not completely broken down and consequently
the sugar cannot be absorbed into the blood.;
ICD-11 synonym : intolerance or malabsorption of lactose; milk intolerance; LM - [lactose malabsorption]; Cow milk enteropathy; lactose malabsorption;
Lactose intolerance is the inability to digest lactose, a sugar found in milk and
some dairy products, due to a deficiency of lactase, the enzyme that metabolizes lactose.
Lactose intolerance occurs when lactose is not completely broken down and consequently
the sugar cannot be absorbed into the blood.