====SOP of Sputum processing==== **1.PURPOSE** To prepare the slide from received sputum **2.STAFF RESPONSIBLE** Senior technician. **3.PRINCIPLE** Spread the representative part of sputum on glass slide, with circular movement **4.REAGENT** NA **5.PERFORMANCE SPECIFICATION** NA **6.SAMPLE** Sputum **7.TYPE OF CONTAINER** Wide mouth sterile container **8.EQUIPMENT AND REAGENT USED** *slides *applicato **9.CALIBRATION PROCEDURE** NA **10. PROCEDURE (STEPS)** *From sputum take the bloody, discoloured & solid particle not larger than the size of pea on each of four plain slides. *With a clean glass slide crush the particle of sputum on each of the four slides, using the rotary motion. *Spread the material evenly over the slide so that final preparation is only slightly thicker than a blood smear. *Prepare 4 wet fix smears for pap & H E, 1 dry fix for MGG stain. **11. QUALITY CONTROL PROCEDURE** NA **13. REFERENCE INTERVALS** NA **14. TAT FOR TEST** Immediately processed **15. LABORATORY INTERPRETATION** NA **16. ALERT CRITICAL VALUE** NA **17.SAFETY PRECAUTION** Universal safety precaution (Biosafety manual). **18.VALIDATION OF RESULTS TO BE DONE BY** By authorized signatories &Assistant Technical manager. **19.REVIEW, RECORDS & RECOMMENDATION** As per ISO:15189 Guidelines Clause 4.13 & NABL 112 **20.Reference** Koss diagnostic cytology & its Histopathologic bases, 5th edition, volume 2