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congenital sucrase-isomaltase deficiency

Medical Definition

Characterized by the deficiency or absence of the enzymes sucrase and isomaltase existing at, and usually before birth; this enzyme complex (sucrase-isomaltase) assists in the breakdown of a certain sugar (ie, sucrose) and certain products of starch digestion (dextrins); only evident soon after birth when sucrose or starches, such as found in modified milk formulas with sucrose or polycose, are ingested by an affected infant, breast-fed infants or those on lactose-only formula manifest no symptoms until such time as sucrose (found in fruit juices, solid foods, and/or some medications) is introduced into the diet.
Related Codes (1)
Code
Description
Billable
Details
E74.31Sucrase-isomaltase deficiency

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