Porphyrin Studies |
Laboratory: | Referred Test |
Test Code: | PORB,PORPHP,PORF,PORU |
Specimen types: | Blood
Faeces
Urine |
Container types: | Lithium heparin no gel
Sterile Jar
Faeces- M&C and parasites |  |
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Collection Instructions: | Blood - whole blood EDTA tube, plus whole blood Lithium heparin tube (no gel)
Faeces - about 10 g of a fresh random faecal specimen
Urine - 50 mL fresh, early-morning, random urine specimen
Protect all samples from light and send samples immediately to the laboratory. |
Notes: |
Investigation of porphyrias may require a variable combination of assays, including urinary (porphyrins, PBG and ALA), blood and faecal porphyrins
Adequate clinical comments, plus requests and samples for urine PBG and porphyrins should be supplied
When abnormal concentrations of porphyrins are found, individual porphyrins will be identified and quantitated
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Frequency: | Fortnightly |
Result Turnaround Time: | 3-4 weeks |
Reference Interval: |
| Red blood cell <1.8 umol/L, Plasma <10 nmol/L |
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| Faeces < 200 umol/Kg |
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| Urine <300 nmol/L |
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Laboratory Use Only |
