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Test 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.


Secondary ID

614615

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)

Specimen Type

Urine

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
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

Interpretation

Elevated concentrations of urinary titanium have been reported after documented exposures.

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in mass shift mode using ammonia as a reaction gas, gallium as an internal standard, and a salt matrix calibration.(Unpublished Mayo method)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

Report Available

1 to 7 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83018

LOINC Code Information

Result ID Test Result Name Result LOINC Value
614615 Titanium/Creat Ratio, U 104656-4