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LACTOSE TOLERANCE

Test Name  LACTOSE TOLERANCE  
Mnemonic  LTT 
Lab Order Code   
CPT   82951 
Department  Main Lab 
Container  Plasma Separator 
Alternative Container   
Handling  Volume: 1.0 ml plasma (serum): See Note Centrifuge as soon as possible to avoid glycolysis. Test is available as 3 hour or 4 hour. Lactose solution is administered following determination of fasting glucose. 
Preferred Volume   
Minimum Volume   
Stability   
Reject Criteria   
Component   
Methodology  Methodology: Enzymatic 
Units   
Reference Range    
Neonate Reference Range   
Required Information   
Performed   
Reported   Performed daily as received 
Note  Serum and NaFl (gray) plasma also acceptable but all specimens must be collected using the same tube type. 
LOINC    
Cross References   
Referred Lab   
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