Lab Information Manual

Laboratory:

Clinical Biochemistry (SENDOUTS)

Test Name:

METHYLMALONIC ACID (MMA) - (U)

Test Code: MMA

Clinical Information:

Test Approval required.

Urine MMA can be used to evaluate children with signs and symptoms of methylmalonic acidemia or cobalaminopathy. Only used if plasma or serum is not readily available.

Test Approval Requirements:

Clinical Biochemist Approval Required

Click here for the Approval for Test Referral Biochemistry for (F260-11-02).

Collection Devices:

Preferred Device:

1 - Urine Collection 12 mL Tube

Urine Collection 12 mL Tube
Manufacturer: Sarstedt Canada Inc. (vendor)

Catalogue #:

Specimen Required:

Urine: 4.0 mL

Pediatric Urine: 1.2 mL

Special Processing: Store and send frozen. Do NOT ship frozen 100 mL containers

Specimen Stability:

Ambient: 21 days

Refrigerated: 28 days

Frozen: 28 days

Referral:

Referred Out Location:

Specimen referred from HSC-MS5 to:

Mayo Clinic Laboratories

3050 Superior Dr. NW

Rochester, MN 55901

Phone: 800-533-1710

Test ID: MMAU
Test Name: Methylmalonic Acid, Quantitative, Urine

Requisition:

Reference Values:

Reference Intervals: <3.60 mmol/mol creatinine

Availability:

Within 2 Weeks