| Name | beta-CrossLaps (CTX) |
| Categories | clinical chemistry |
| Specimen requirements | 1 ml of EDTA plasma |
| Collection instructions | Take the blood sample with the patient fasting (12 h without food intake); Take sample in the morning between 7:30 and 8:30 a.m. |
| Storage and transport | postal dispatch possible |
| Clinical utility | assessing the bone metabolism |
| Methodology | ECLIA |
| Reference ranges | See findings report |
| Remarks | Testing currently takes place in a contract laboratory |