1、General of clinical laboratoryPrinciples to clinical laboratory The interpretation of laboratory testsThe ethical practicePrinciple to clinical laboratory Responsibilities Collection of Information Collection of Specimens(Informed consent 、 Adequate privacy) Performance of Test Reporting of Result S
2、torage and Retention of Medical Records Access to Medical RecordsResponsibilities The patient-assurance the quality and integrality of the service Colleague and professional -maintain professional reputation, aim to contribute the advancement of profession Society-contribute to the general well-bein
3、g of society ; comply with relevant laws and regulations of professional activities. Collection of information Identify adequately patients and specimens Enable the test to be correctly interpretedOther legitimate purposesPerformance of the testAccreditation programPatients interestsProcess standard
4、 Works with high skill and competence Good performanceof tests Reporting of Result Test results are confidential unless disclosure is authorized. Report the results correctly and timelyProvide the consultation about the selection and interpretation of tests properly Access to Medical Records clinici
5、an requesting the test; the patient; laboratory and hospital staff if required for the management of the patient; other authorized individuals.When a request is made for access to test results by an authorized person, the laboratory must first satisfy itself as to the identity of the person making t
6、he request. Who?INTERPRET LABORATORY TEST Select test Patients prepare for sampling Collect specimen Pre-process of specimen Analyze specimen Check 、 report result Make clinical decisionBiological variability ,improper or inconsistent preparation Improper or inconsistant Collection Improper provisio
7、n suboptimum selection Analytical variabilty Inadequate RVs Minimize variability No confusion and misunderstanding about test results Testing CycleBiologic variatinon Endogenous biorhythms for physiologic parameters Different constitutional factors and lifestyle among subjects within-subject variati
8、on subject-to subject variation Biological variation Width of the tests Referenc interval (RI) the diagnostic efficiency of a laboratory test lBiological rhythmslConstitutional factors lExtrinsic factorsThree types of Biological rhythmsCircadian Rhythms Ultradian Rhythms Infradian Rhythms Cycle time 24h 24h Character Consistent Predictable Inconsistent Unpredictableunknowsolution rhythm-adjusted RVs stimulation and suppression testsunknowexample Number and activity of blood cellgonadal hormonemenstrual cycle
