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Laboratory: Clinical Biochemistry
Test Name:
Test Code: MMA
Clinical Information:
Test Indications: This test is used for evaluating children with signs and symptoms of methylmalonic acidemia.
This test is also use for evaluating individuals with signs and symptoms associated with a variety of causes of cobalamin deficiency (vitamin B12).
For pediatric patients < 19 years old: No restriction
FOR ADULTS: This test is restricted to the following specialities: hematology, oncology, neurology and genetics.
For other specialities: This test MUST BE APPROVED by a clinical chemist prior to send out. Click here for the Approval for Test Referral Biochemistry for (F260-11-02).
Method: Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS) done by Mayo Clinic Lab.
For questions/information: Call Metabolic Lab at 204-787-4530 and ask for the Biochemical Geneticist. 
Collection Devices:
Specimen Required:
Urine: 4.0 mL
Pediatric Urine: 1.2 mL

Stability: see below.

Store and keep frozen. Ship to Metabolic Lab (HSC) on dry ice. Refrigerated also accepted.
Please include the original requisition.
Stability: see below
Reference Values:
A descriptive report will be sent.
Within 2 Weeks
See Also:
More Information:
If you have any questions, please communicate with the Metabolic Lab (HSC): 204-787-4530
Stability: Frozen (preferred): 28 days
Refrigerated: 28 days
Ambient: 21 days
Store and ship frozen to Mayo Clinic Lab:
CPT Code: 83921