Proficiency testing results for metanephrines
| Variable | Year | Trial | Specimen no. | No. | Median | Minimum | Maximum |
|---|---|---|---|---|---|---|---|
| Metanephrines, plasma (nmol/L) | |||||||
| Metanephrine | 2020 | 1st | CMMP-20-01 | 6 | 0.17 | 0.14 | 1.98 |
| CMMP-20-02 | 0.80 | 0.73 | 2.54 | ||||
| CMMP-20-03 | 4.26 | 3.65 | 5.59 | ||||
| 2nd | CMMP-20-04 | 7 | 0.27 | 0.25 | 2.76 | ||
| CMMP-20-05 | 0.90 | 0.78 | 3.13 | ||||
| CMMP-20-06 | 3.93 | 3.39 | 6.34 | ||||
| 2021 | 1st | CMMP-21-01 | 9 | 0.68 | 0.62 | 7.45 | |
| CMMP-21-02 | 0.21 | 0.20 | 2.02 | ||||
| CMMP-21-03 | 4.13 | 3.81 | 6.30 | ||||
| 2nd | CMMP-21-04 | 9 | 3.98 | 3.70 | 7.45 | ||
| CMMP-21-05 | 0.98 | 0.93 | 15.11 | ||||
| CMMP-21-06 | 0.10 | 0.07 | 1.01 | ||||
| Normaetanephrine | 2020 | 1st | CMMP-20-01 | 6 | 0.41 | 0.29 | 3.62 |
| CMMP-20-02 | 1.44 | 1.28 | 4.66 | ||||
| CMMP-20-03 | 6.86 | 6.66 | 9.83 | ||||
| 2nd | CMMP-20-04 | 7 | 1.14 | 1.06 | 7.01 | ||
| CMMP-20-05 | 4.42 | 4.18 | 9.89 | ||||
| CMMP-20-06 | 6.98 | 6.59 | 12.80 | ||||
| 2021 | 1st | CMMP-21-01 | 9 | 2.28 | 2.11 | 14.46 | |
| CMMP-21-02 | 0.60 | 0.38 | 3.95 | ||||
| CMMP-21-03 | 7.12 | 6.71 | 10.93 | ||||
| 2nd | CMMP-21-04 | 9 | 8.24 | 7.00 | 15.92 | ||
| CMMP-21-05 | 1.70 | 1.48 | 10.22 | ||||
| CMMP-21-06 | 0.49 | 0.31 | 3.49 | ||||
| Metanephrines, urine (ng/mL) | |||||||
| Metanephrine | 2020 | 1st | CMU-20-01 | 7 | 90.5 | 69.0 | 157.1 |
| CMU-20-02 | 410.4 | 336.4 | 450.7 | ||||
| CMU-20-03 | 711.3 | 606.6 | 782.8 | ||||
| 2nd | CMU-20-04 | 7 | 431.8 | 349.8 | 468.1 | ||
| CMU-20-05 | 70.4 | 52.0 | 75.5 | ||||
| CMU-20-06 | 829.1 | 639.8 | 838.5 | ||||
| 2021 | 1st | CMCM-21-01 | 7 | 548.3 | 393.1 | 652.0 | |
| CMCM-21-02 | 284.0 | 200.4 | 351.0 | ||||
| CMCM-21-03 | 43.4 | 28.6 | 46.6 | ||||
| 2nd | CMCM-21-04 | 7 | 582.0 | 530.0 | 620.5 | ||
| CMCM-21-05 | 55.7 | 34.4 | 65.3 | ||||
| CMCM-21-06 | 323.4 | 314.0 | 362.8 | ||||
| Normaetanephrine | 2020 | 1st | CMU-20-01 | 7 | 236.2 | 162.4 | 364.5 |
| CMU-20-02 | 925.9 | 717.7 | 983.7 | ||||
| CMU-20-03 | 1,483.8 | 1,266.0 | 1,560.6 | ||||
| 2nd | CMU-20-04 | 7 | 994.9 | 929.6 | 1,108.4 | ||
| CMU-20-05 | 274.0 | 233.7 | 301.4 | ||||
| CMU-20-06 | 1,410.0 | 1,313.8 | 1,491.4 | ||||
| 2021 | 1st | CMCM-21-01 | 7 | 1,610.1 | 1,045.3 | 1,661.0 | |
| CMCM-21-02 | 1,028.8 | 643.3 | 1,050.0 | ||||
| CMCM-21-03 | 97.5 | 689.9 | 147.5 | ||||
| 2nd | CMCM-21-04 | 7 | 1,535.6 | 1,402.3 | 1,617.2 | ||
| CMCM-21-05 | 121.5 | 90.3 | 130.0 | ||||
| CMCM-21-06 | 860.1 | 816.6 | 892.9 |