Secondary lactose intolerance happens because of an injury, illness or possibly a surgery. Any of these can affect your small intestine and cause you to make less lactase. Celiac disease and Crohn People with lactose intolerance cannot produce enough lactase on their own. A lack of lactase often causes uncomfortable side effects like diarrhea, bloating, stomach pain, and nausea after consuming dairy. Taking lactase supplements may reduce or prevent many of these symptoms for people with lactase deficiency, lactose intolerance, or other Lactose intolerance is not the same as a dairy allergy. The two are often confused. The two are often confused. If you have a dairy allergy , you’re allergic to certain proteins in milk and I take lactaid whenever I eat dairy, and I'm typically fine. There are times, like tonight, I'll eat something and the lactaid does not help. I get the normal back end digestive issues and sometimes it just all comes back up again (sorry for being gross). But, nearly every time, I run a low-grade fever, between 99-101. Other lactose intolerance. E73.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2024 edition of ICD-10-CM E73.8 became effective on October 1, 2023. This is the American ICD-10-CM version of E73.8 - other international versions of ICD-10 E73.8 may differ. While lactose intolerance is a digestive problem, a milk allergy is a reaction by the body’s immune system to one or more milk proteins. If you have a milk allergy, having even a small amount of milk or milk product can be life threatening. A milk allergy most commonly occurs in the first year of life. .

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