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| Title | METHYLMALONIC ACID, URINE |
| Specimen Requirement | <p>Collect random urine. Send 5.0 mL (2.0 mL minimum) urine in a SCREW-CAPPED plastic urine container.</p> |
| Methodology | |
| Stability | Room Temp 72 hrs; Refrigerated 7 days; Frozen 14 days |
| Reference Range | By Report* |
| Turnaround | 7-10 days -- Performed Wednesday |
| Clinical Use | <p>Diagnosis of B12 deficiency; monitoring patients with methylmalonic aciduria.</p> |
| Test Code | UMMAW |
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