dals0 | 12498

d-Aminolevulinic acid (urine)

Keywords:

5-ALA

5-amino-4-oxopentanoic acid

5-aminolevulinic acid

ALS

Porphyria

d-aminolevulinic acid

Status

Material

24h-Urine without preservatives protected from light

Container without preservatives, 3000 mL

Hint

Collection of 24h-urine in a 3000 mL jar (50) needed. | Send in 10 mL urine using spot urine-tube without preservative (52). | Indicate duration and volume of collection. | For attack urine: use spot urine-tube without preservative (52). | Forwarded to an external laboratory for direct analysis.

Stability

2 weeks / 2-8°C

1 month / -20°C

Duration

2 days

Frequency

1 x per week (thursday)

Method

Colorimetry