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HelpTest ID NBLD0078 Porphyrins, Fractionated 24 Hour Urine
Specimen Type/Requirements
24 hour urine container - Aliquot from a well mixed 24 hour urine specimen.
Keep 24 hour urine without preservative refrigerated during collection.
Send aliquot protected from light.
24 hour total volume is required.
Specimen Volume
| Preferred Volume | 2.0 mL |
|---|---|
| Minimum Volume | 1.0 mL |
Stability/Transport
| Room Temperature | Unacceptable | |
|---|---|---|
| Refrigerated | 7 days | |
| Frozen | 30 days | Preferred for transport |
Performed Test Frequency
Tuesday through Saturday
Report Available
2 - 6 days
Additional Information
Test includes: Coproporphyrin I, Coproporphyrin III, Heptacarboxyporphyrin, Pentacarboxyporphyrin, Total Porphyrins, Uroporphyrin I, and Uroporphyrin III.
Methodology
HPLC
Performing Lab
Quest Chantilly forwards to Quest San Juan Capistrano
CPT
84120
Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 6464 | Volume 24 Hour Urine |
| 16776 |
Uroporphyrin I |
| 16777 | Uroporphyrin III |
| 15737 | Heptacarboxyporphyrin |
| 15738 | Hexacarboxyporphyrin |
| 15739 | Pentacarboxyporphyrin |
| 16778 | Coproporphyrin I |
| 16779 | Coproporphyrin III |
| 15741 | Porphyrins, Total |
| 15742 | Interpretation |