segue uma referência onde ocorre esse "lab":
For the assessment of cost-effectiveness, a Markov model was adapted from a previously published model by the University of Alberta in which standard of care (lab testing) was compared with clinic-based testing (clinic POC), patient self-testing (PST), and patient self-management (PSM) options.
https://www.cadth.ca/media/pdf/OP0515_POC INR_Science_Report...Segundo essa referência devem ser "testes laboratoriais normais/padrão".
Penso que a sugestão apresentada está correcta (o sentido é o de recolha ou colheita - PT-PT).