A Manual of Laboratory and Diagnostic Tests by Frances Fischbach RN BSN MSN, Marshall B. Dunning III BS

By Frances Fischbach RN BSN MSN, Marshall B. Dunning III BS MS PhD

Now in its 8th variation, this best finished guide is helping nurses carry secure, powerful, and knowledgeable take care of sufferers present process diagnostic assessments and approaches. The publication covers a extensive variety of laboratory and diagnostic exams and reports which are dropped at various sufferer populations in different settings. assessments are grouped in keeping with specimen and function/test sort (e.g. blood, urine, stool, cerebrospinal fluid, etc.). every one attempt is defined intimately, with step by step counsel on right method, assistance for actual interpretation, and directions for sufferer guidance and aftercare. medical signals spotlight severe protection info.

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Advocate for patients regarding insurance coverage for diagnostic services. Inform the patient and his or her family or significant others that it may be necessary to check with their insurance company before laboratory and diagnostic testing to make certain that costs are covered. Many insurance companies employ case managers as gatekeepers for monitoring costs, diagnostic tests ordered, and other care. As a result, the insurance company or third-party payer may reimburse only for certain tests or procedures or may not cover tests considered by them to be preventive care.

Document all drugs the patient is taking because these may influence test outcomes (see Appendix E). 1. Ensure that specimens are correctly obtained, preserved, handled, labeled, and delivered to the appropriate department. For example, it is not generally acceptable to draw blood samples when an intravenous line is infusing proximal to the intended puncture site. 2. Observe precautions for patients in isolation. Use standard/universal precautions, or other transmission-based precautions as dictated by infection control policies of the institution.

8 Blood Specimen Collections Collection Tube Color and Additives* Use and Precautions Yellow-topped tube: sodium polyethylene sulfonate (SPS) For collection of blood cultures; aseptic technique for blood draw; invert tube 8–10 times to prevent clot formation Light blue–topped tube: with sodium citrate as anticoagulant (removes calcium to prevent clotting) For plasma-coagulation studies (eg, prothrombin times [PT]; PT/partial thromboplastin time [PTT] and factor assays). The tube must be allowed to fill to its capacity or an improper blood/anticoagulant ratio will invalidate coagulation test results.

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