The emedicine article says this about Alkaline phosphatase in the SDS article:
Liver function tests
- Transaminases (ie, alanine aminotransferase, aspartate aminotransferase) may be elevated in individuals with SDS.
- Alkaline phosphatase may be within the reference range or slightly increased.
- Findings on coagulation studies are normal, and the serum bilirubin level is within the reference range.
- Hypoalbuminemia may be present secondary to malabsorption.
For information on Shwachman-Diamond Syndrome check out Shwachman-Diamond America