Description of Event or Problem · 1
AN ACCOUNT CONTACTED A COUNTRY SERVICE AND SUPPORT (CSS) WITH REGARD TO A MEDICAL PRACTITIONER QUESTIONING THE HEMOGLOBIN RESULTS FOR A PT. INITIAL RESULTS OF RBC=2.63 M/UL, HGB=5.32 G/DL, MCV=66.3 FL, MCH=20.2 PG, AND MCHC=30.5 G/DL WERE REPORTED USING A CELL-DYN 4000 ANALYZER. LATER THAT SAME DAY THE PT WAS TESTED USING A FRESH SAMPLE ON THE CELL-DYN 3200 SL ANALYZER WITH THE FOLLOWING RESULTS; RBC=2.62 M/UL, HGB=4.04 G/DL, MCV=66.3 FL, MCH=15.4 PG, AND MCHC=23.3 G/GL. BASED ON THE LOWER HEMOGLOBIN RESULT IT WAS ASSUMED THE PT WAS BLEEDING AND A 6 UNIT CROSS MATCH WAS ORDERED AND THE PT WAS TRANSFUSED. THE SAME SAMPLE PREVIOUSLY RAN ON THE CD3200 ANALYZER WAS REPEATED ON THE CD4000 ANALYZER YIELDING; RBC=2.53 M/UL, HGB=5.10 G/DL, MCV=67.0 FL, MCH=20.2 PG, AND MCHC=30.2 G/DL. THE ACCOUNT STATES THAT THE DIFFERENCE IN RESULTS FROM THE TWO ANALYZERS RESULTED IN A MISDIAGNOSIS AND UNNECESSARY TRANSFUSION. THE ACCOUNT BELIEVES THE RESULT FROM THE CELL-DYN 4000 TO BE CORRECT BECAUSE OF THE LOW MCHC RESULT FROM THE CELL-DYN 3200 SL ANALYZER, NO FURTHER IMPACT TO PT MANAGEMENT WAS REPORTED.