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Test Directory » Methylmalonic Acid (MMA), Urine Quantitative
Methylmalonic Acid (MMA), Urine Quantitative
MMAUR
Method(s) |
Tandem Mass Spectrometry |
Collect |
24 hour or random urine. Refrigerate sample during collection. |
Transport |
4 mL aliquot from 24 hour or random urine, frozen. (Min: 1 mL) Record total volume and collection time interval on transport tube and test request form. |
Stability |
Ambient: Unacceptable; Refrigerated: 4 days; Frozen: 1 month |
Unacceptable Conditions |
Room temperature specimens. |
|
Schedule |
Mon - Fri |
Billing Code |
5010656 |
CPTCode |
83921 |
Notes |
The most important aspect of specimen preservation is adequate refrigeration during collection, storage, and transport. |
|
| | Component | Reference Interval | | Methylmalonic Acid, Urine | 0.0-3.6 mmol/mol crt | | Creatinine (24-hour) | MALE:
| FEMALE:
| | 3-8 years: 140-700 mg/d | 3-8 years: 140-700 mg/d | | 9-12 years: 300-1300 mg/d | 9-12 years: 300-1300 mg/d | | 13-17 years: 500-2300 mg/d | 13-17 years: 400-1600 mg/d | | 18-50 years: 1000-2500 mg/d | 18-50 years: 700-1600 mg/d | | 51-80 years: 800-2100 mg/d | 51-80 years: 500-1400 mg/d | | 81 years and older: 600-2000 mg/d | 81 years and older: 400-1300 mg/d |
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