Has an extensive knowledge of the disease process and the clinical relevance and appropriateness of diagnostic tests requested. Therefore understands why certain tests (including the abbreviations and medical terminology) are requested in certain pathological situations. Communicates with the requesting physician to discuss the suitability of tests requested and discuss the availability of further tests which might contribute to diagnosis/patient management. Also discuss with senior member of staff if appropriate/available. Validates results according to the SOP. Interprets results in conjunction with previous results (delta checks). Requests further work according to SOP, refers to senior staff upon completion of further work. Handles unsuitable samples for example if taken from drip arm, too old, incorrectly labelled (according to departmental policy), insufficient volume to ensure reliability and validity of sample and will request repeat bloods be taken accordingly. Phones highly complex and potentially sensitive results to clinicians ensuring results are understood and transcribed correctly. Acts on or refers phone calls received to appropriate area of lab. Please see JD and PS for full details.