At our institution, we also have a rather lengthy list of tests for patients
receiving TPN.
Before TPN is initiated, the following baseline tests are obtained:
CBC, Chem 7 (electrolytes/urea/creatinine/glucose), ionized calcium,
magnesium, phosphorus, total bili, ALP, AST, albumin, prealbumin, INR.
These tests are also performed once weekly after TPN is started (twice
weekly for prealbumin). In addition, they order daily Chem 7, ionized
calcium, Mg, and phosphorus for the first three days after TPN is initiated.
Salvador F. Sena, Ph.D., DABCC
Associate Director, Clinical Chemistry
Danbury Hospital
Danbury, CT 06810 USA
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