The Leeds Teaching Hospitals NHS Trust

Methylmalonic acid (urine)

Methylmalonic acid (urine)

Test performed as part of urine organic acid analysis. Methylmalonic acid (MMA) is a metabolite which can be elevated in a number of inherited metabolic disorders (e.g. methyl malonic aciduria, defects of cobalamin metabolism, SUCLA 2 deficiency).

Tube Plain Universal
ID 29969
Availability Weekdays
Additional Information Semi quantitation is available for patients with known inherited metabolic disorders.
Turn Around 18 days
Send to Specialist Laboratory Medicine
Block 46
St James hospital
Beckett Street
Collection Con Minimum volume: 1.5 – 5.0mL (dependent on creatinine)

Instructions for lab: Send to Block 46. If storage required (overnight or over the weekend) store refrigerated at 2-8ºC.

Please discuss with Biochemical Genetics lab prior to rejecting any samples.
Frequency Daily
Sample REQ Plain urine. Boric acid samples must NOT be used. Please request urine organic acids and state MMA in clinical details.
Ref. Range Notes Descriptive report of results is provided. Contact Biochemical Genetics laboratory for further advice if required.
Units µmol/mmol creatinine
Telepath Urine organic acids: ORGU1J, Creatinine: CREU1J
ICE Codes Urine organic acids: JORGU