a-vials"
                                        action="#{patientInvestigationController.navigateToCollectSamples()}">
                                    </p:commandButton>
                                    <p:commandButton
                                        class="w-100" 
                                        ajax="false" 
                                        value="Sent to Lab" 
                                        icon="fa fa-flask"
                                        action="#{patie