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Lab Test Dictionary
Hydroxyglutaric Acids, Glutaric Acid, Ethylmalonic Acid and Methylsuccinic Acid, Serum (HGEMS)
Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Specimen Type
Serum
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Monday and Wednesday; 8 A.M.
Standard TAT
2-10 Days
Collection Information
Specimen Required
1 mL Blood
Container Type
Red Top (No Additive)
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: 4 Days; Refrigerated: 90 Days (Preferred); Frozen: 90 Days
Rejection Criteria
Serum separator tube (SST)
Test Volume Required
0.1 mL Serum
Minimum Test Volume
0.02 mL Serum
Processing Instructions
Order in Mayolink and send with Mayo courier Monday-Friday.
CPT Codes
83918