Home » Test Directory » Delta Aminolevulinic Acid, 24-Hour Urine

Delta Aminolevulinic Acid, 24-Hour Urine QALA24

Method(s) Colorimetric (C)
Synonym Aminolevulinic Acid, Porphyria, D-Aminolevulinic Avid, D-ALA, ALA
Specimen Required
Collect

24 hour urine, no preservative - Protect From Light

Also acceptable

  • Urine preserved with 25 mL 6N HCI or 10 mL concentrated glacial acetic acid
  • Preservative added after collection
  • Catheterized urine in a sterile, plastic screw-cap container
Transport

4 mL from a well-mixed random or 24-hour collection refrigerated (Min: 0.6 mL).

* Collection Instructions *

  • Collect without preservative.
  • Refrigerate during and after collection.
  • Wrap container in aluminum foil to protect from light.
  • 24-hour total volume must be provided on the test requisition.
Stability

Ambient: Unacceptable

Refrigerated: 7 days

Frozen: 30 days
Unacceptable Conditions
  • Received room temperature
  • Not protected from light
Schedule Mon, Wed, Fri
CPTCode 82135
Notes Performing Laboratory-Quest Diagnostics-Chantilly VA
Preferred Specimen Collection Device(s)
Reference Interval
 
Delta ALA, 24-Hour Urine 
AdultsLess than 4.5 mg/24 h
Creatinine, 24-Hour Urine 
3-8 Years0.11-0.68 mg/24 h
9-12 Years0.17-1.41 mg/24 h
13-17 Years0.29-1.87 mg/24 h
Adults0.63-2.50 mg/24 h
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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