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HelpOrder Code TICU Titanium/Creatinine Ratio, Urine
Specimen Required
Only orderable as part of a profile. For more information see TIUCR / Titanium/Creatinine Ratio, Random, Urine.
Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most metal tests. If either gadolinium- or iodine-containing contrast media has been administered, the specimen should not be collected for at least 96 hours.
Supplies: Urine Tubes, 10 mL (T068)
Collection Container/Tube: Clean, plastic urine collection container
Submission Container/Tube: Plastic, 10-mL urine tube or a clean, plastic aliquot container with no metal cap or glued insert
Specimen Volume: 7 mL
Collection Instructions:
1. Collect a random urine specimen.
2. See Trace Metals Analysis Specimen Collection and Transport for complete instructions.
Useful For
Measurement of titanium concentration as part of a profile to assess exposure and elimination of titanium
Method Name
Only orderable as part of a profile. For more information see TIUCR / Titanium/Creatinine Ratio, Random, Urine.
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Reporting Name
Titanium/Creat Ratio, USpecimen Type
UrineSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Frozen | 28 days |
Reference Values
Only orderable as part of a profile. For more information see TIUCR / Titanium/Creatinine Ratio, Random, Urine.
0-17 years: Not established
≥18 years: <0.4 mcg/g Cr
Method Description
Titanium in urine is analyzed by inductively coupled plasma triple-quadrupole mass spectrometry in mass shift mode using ammonia as a reaction gas, gallium as an internal standard, and a salt matrix calibration.(Unpublished Mayo method)
Day(s) Performed
Wednesday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83018