Methodology
Tandem Mass Spectroscopy
Synonyms
Guanidinoacetate w/ Creatine
Specimen Type
Plasma
Performing Lab
Quest forwards to Baylor
Epic ID
LAB4118
Lab Test Days
Monday-Friday
Standard TAT
10 Days
Collection Information
Specimen Required
2-4 mL Blood
Container Type
Dark Green (Sodium Heparin)
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 7 Days
Test Volume Required
2 mL Plasma
Minimum Test Volume
1 mL Plasma
CPT Codes
82542
Revised
02-05-19
Initials
SL