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Delta Aminolevulinic Acid, 24-Hour Urine
Message**Keep container wrapped in foil to protect from light**
Refrigerate during collection.
Refrigerate during collection.
Test Code
219
Alias/See Also
LAB356
Old mnemonic: ALA
Old mnemonic: ALA
CPT Codes
82135
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
2 mL urine from a 24-hour collection - no preservative - protect from light
Minimum Volume
0.6 mL
Other Acceptable Specimens
Urine preserved with 25 mL 6N HCl or 10 mL concentrated glacial acetic acid • Preservative added after collection • Catheterized urine in a sterile, plastic screw-cap container
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.
Transport Container
Plastic urine container
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Not protected from light
Methodology
Colorimetric (C)
Setup Schedule
P. M. Tues, thurs, sat
Report Available
Next day
Reference Range
Delta ALA, 24-Hour Urine
Creatinine, 24-Hour Urine
| Adults | <4.5 mg/24 h |
Creatinine, 24-Hour Urine
| 3-8 Years | 0.11-0.68 mg/24 h |
| 9-12 Years | 0.17-1.41 mg/24 h |
| 13-17 Years | 0.29-1.87 mg/24 h |
| Adults | 0.63-2.50 mg/24 h |
Performing Laboratory
| Quest Diagnostics Nichols Institute-Chantilly VA |
| 14225 Newbrook Drive |
| Chantilly, VA 20151-2228 |