ALA Delta, Delta Aminolevulinic Acid
10 days
Column chromatography, Ehrlich reagent - spectrophotometry
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Assesses lead exposure or porphyria by measuring ALA in urine
24 hour urine
3 mL
Plastic 24-hour urine container with 30 m of 30% acetic acid AND AMBER plastic frozen transport tube and cap
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Frozen immediately and protected from light
| Temperature | Period |
|---|---|
| Refrigerated | 3 days |
| Frozen | 60 days |