Urine Porphobilinogen, Qualitative (PORPHOB UR)
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| Synonyms:
| None listed |
| Specimen: | Urine; 24 hour collection. Protect from light.
Submit 24 hour total volume on request.
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| Volume: | 3mL |
| Minimum Volume: | 1 mL |
| Collection: | Transport to the laboratory as soon as possible. Protect from light and freeze specimen aliqot. |
| Rejection Criteria: | Improper labeling; specimen not protected from light; specimen aliquot not frozen. |
| Reference Range: | 0.0-2.0 mg/L |
| Methodology: | Chromatography/spectrophotometry |
| Test Use: | Increased in acute hepatic porphyrias. |
| Additional Information: | A 24-hour urine collection may provide more clinically representative data. |
| Testing Includes: | Specimen sent to LabCorp for testing. LCA # 003103 |
| Testing Facility: | LabCorporation of America |