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To assist in diagnosing lead poisoning in children, or porphyria, a disorder that disrupts heme synthesis, primarily affecting the liver.
Urine from a timed specimen collected in a dark plastic container with glacial acetic acid as a preservative.
|Conventional Units||SI Units (Conventional Units × 7.626)|
|1.5–7.5 mg/24 hr||11.4–57.2 micromol/24 hr|