Cardiff porphyria service is fully accredited to ISO 15189 by the United Kingdom Accreditation Service (UKAS). Our UKAS schedule of accreditation can be found here.
|
Analyte |
Level 1 |
%CV |
EMU3 |
Level II |
%CV |
EMU |
Units |
|
Total urine porphyrin1 |
275 |
5.9 |
34 |
1244 |
4.0 |
126 |
nmol/l |
|
Total faecal porphyrin2 |
51 |
9.6 |
12.0 |
629 |
2.3 |
108 |
nmol/g (dry wt) |
|
Urine porphobilinogen1 |
5.7 |
7.5 |
0.8 |
62.4 |
4.8 |
5.6 |
μmol/l |
|
Urine 5-Aminolevulinic acid1 |
35.8 |
8.0 |
5.6 |
156.0 |
5.4 |
26.2 |
μmol/l |
|
RBC protoporphyrin2 |
1.2 |
8.1 |
0.3 |
19.6 |
6.0 |
2.2 |
μmol/l |
(1) Recipe ClinChek® lyophilised urine control
(2) In house control material
(3) Extended Measurement of Uncertainty
The Cardiff Porphyria Service participates in the EpNet Porphyria external quality assessment scheme and the Royal College of Australian Pathologists quality assurance programme. Our performance is within assigned limits and we have correctly identified all porphyria cases.