| Application: | External quality control for analysis of thyroid gland calcium metabolism. |
| Analytes: |
1-84 PTH, Calcitonin, Thyreoglobulin. |
| Kit contents: |
2 samples of 3 ml serum, lyophilised. |
| Participation: | Up to 4 times per year. |
| Certificate: | Issued after each participation, free of charge. |