Specimen Type
Urine, Random
Performing Lab
Quest forwards to Baylor (TSO)
Epic ID
Other Reference Test
Standard TAT
10 Days
Collection Information
Specimen Required
2-4 mL Random Urine
Container Type
Sterile Container
Collection Instructions
No preservative and freeze immediately. Baylor recommends that plasma (4130) and Urine Creatine and Guanidinoacetate Determination be sent together and be analyzed simultaneously to rule out disorders of creatine transport and synthesis, see built test code 13601L.
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp=Unacceptable; Refrigerated=Unacceptable; Frozen=Not Established
Test Volume Required
4 mL Random Urine
Minimum Test Volume
2 mL Random Urine
Processing Instructions
Requires TSO form.
Comments
Baylor test code 4260. Requires TSO form. Baylor recommends that plasma (4130) and Urine Creatine and Guanidinoacetate Determination be sent together and be analyzed simultaneously to rule out disorders of creatine transport and synthesis, see built test code 13601L.
CPT Codes
82540, 82542, 82570, 83789
Revised
04-30-20
Initials
SL