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TPN Monitoring Schedule

Laboratory testing is an objective means of assessing organ function, electrolyte levels and to ensure the patient is receiving the appropriate calorie, carbohydrate and lipid combinations to meet nutritional needs without causing liver or other organ damage.  When receiving parenteral nutrition, the mineral content of the solution largely determines these values. Abnormalities can be recognized and changes made to the TPN formula to correct any abnormalities before they become life threatening.  When a patient is initially placed on TPN, lab and vital signs are usually performed much more frequently. Once the patient is stable blood tests can be performed less often. A suggested monitoring schedule is shown below. 

Download a printable copy of the
TPN Monitoring Schedule Poster

This reference correlates to the online continuing education course Total Parenteral Nutrition in the Adult Patient.


Vital Signs 3 - 4 x/day Daily As Needed
Blood Glucose Every 6 Hours Daily Monthly
Weight Daily 2 x/week Weekly
Intake and Output Daily Daily  
Basic Metabolic Panel Daily Weekly Monthly
Calcium, Phosphorus, Magnesium Daily Weekly Monthly
CBC with differential Weekly Weekly Monthly
Triglycerides Weekly Weekly Monthly
PT/PTT Weekly Monthly Quarterly
Transthyretin Weekly Monthly Quarterly
Trace Element Levels N/A N/A Quarterly

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