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Collecting a Sputum Sample. Good quality sputum specimens Patient and staff safety. Preparing to get a sputum sample. The nurse explains to Mercy why she needs a sputum sample. Why are two sputum specimens needed?.
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Collecting a Sputum Sample Good quality sputum specimens Patient and staff safety
Why are two sputum specimens needed? • Two samples help ensure patients found to be positive for TB are not missed. • Initial specimen – positive for 83-87% of all patients • Second specimen- positive for 10-12% of all patients
Mercy rinses her mouth before the sputum sample is collected