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Porphyrins, Fractionated, Urine
| Item | Value | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Approval req'd? | No | ||||||||||||
| Available Stat? | No | ||||||||||||
| Test code | PORFU | ||||||||||||
| Test group | Porphyrins | ||||||||||||
| Performed by | Quest | ||||||||||||
| Sendout? | Yes | ||||||||||||
| Method | HPLC | ||||||||||||
| Collection Instructions | IMPORTANT: Refrigerate container and protect from light (place in brown paper bag or wrap with aluminum foil) during and after collection. Note: This assay does not include urinary porphobilinogen which, if desired, must be ordered separately. |
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| Container type | Brown 24 hour urine collection container Click here for Urine Preservative Requirements |
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| Amount to Collect | Entire 24 hour urine output | ||||||||||||
| Sample type | 24 hour urine collection | ||||||||||||
| Preferred volume | 2 mL urine | ||||||||||||
| Min. Volume | 1 mL urine | ||||||||||||
| UCSF Rejection Criteria | Container not refrigerated or protected from light during collection. | ||||||||||||
| Processing notes | Refrigerate aliquot in a foil-wrapped vial and record the total volume of the collection on the request slip and the transport vial. Order Quest # 729X | ||||||||||||
| Units | µg/24 hours (mcg/24 hours) | ||||||||||||
| Normal range |
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| Synonyms | Porphyria | ||||||||||||
| Turn around times | Test run Monday-Friday. Turnaround time: 3-6 days. | ||||||||||||
| Additional information | To convert µg/d to nmol/d (SI units) multiply TetraCP by 1.53, PentaCP by 1.44, HexaCP by 1.36, HeptaCP by 1.28, OctaCP by 1.20. To convert mg/d of Porphobilinogen to µmol/d (SI units) multiply by 4.42. | ||||||||||||
| CPT coding | 84120-90 | ||||||||||||
| LOINC code | 43116-3 | ||||||||||||
| Last Updated | 3/24/2013 7:52:15 PM | ||||||||||||
| Entry Number | 762 |
If you have additional questions regarding this test, please call: 415-353-1667