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Test Code LAB6949 TMA/TMAO Profile, Urine

Aliases

Trimethylaminuria, Urine
Trimethylamine

Performing Section

Biochemical Genetics

Purpose/Principle

This method uses liquid chromatography tandem mass spectrometry to quantify TMA and TMAO in urine.

Special Collection Notes

See Resources

Specimen Type

Urine:
Sterile Container

Specimen Volume

Preferred: 3.0 mL
Minimum: 1.0 mL

Processing Instructions

Store and ship sample frozen on dry ice.

Temperature

Frozen (dry ice)

TAT

3 Weeks

Test Components

TMA mcmol/mmol Creatinine, Urine
TMAO mcmol/nmol Creatinine, Urine
TMAO Percent, Urine
TMA/TMAO Profile
Interpretation

CPT

0256U

Sample Stability

Frozen @-20 Celsius: 6 Months
Frozen @ -80 Celsius: Indefinitely

Test/Batch Schedule

Run once every 3 weeks (day varies)

Reference Range

TMA mcmol/mmol Creatinine, Urine

This component has no reference ranges

 

TMAO mcmol/nmol Creatinine, Urine

This component has no reference ranges

 

TMAO Percent, Urine

>=92.0%

 

TMA/TMAO Profile

Normal