Methodology
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Synonyms
CLN1, CLN2, PPT1, TPP1, Palmitoyl-protein thioesterase 1, Tripeptidyl peptidase 1
Specimen Type
blood
Performing Lab
Mayo Medical Laboratory
Epic ID
Other Reference Test
Lab Test Days
Tues
Standard TAT
8 to 16 days
Collection Information
Specimen Required
6 mL blood
Container Type
Yellow top ACD B
Collection Instructions
also acceptable Yellow top ACD A or Lavender top EDTA. Collect Monday thru Wednesday (or Thursday before 1:00 pm). Do not collect the day before a holiday.
Processing Information - Lab Use Only
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated=6 days, Ambient=6 days
Rejection Criteria
Gross hemolysis
Test Volume Required
6 mL blood
Minimum Test Volume
5 mL blood
Included Tests
PPT1=Palmitoyl-protein thioesterase 1 & TPP1=Tripeptidyl peptidase 1
Comments
Ship (refrigerated) as soon as possible after collection.
CPT Codes
82657
Initials
cas 2/9/24