Proficiency tests, External liquid controls – Drucker Diagnostics QBC STAR Dry Hematology Analyzer User Manual
Page 46
QBC Star System Operator’s Manual
6000-300-000 5–6
External Liquid Controls
QBC Controls are available for additional performance monitoring of the QBC Star system. Consult
the package insert accompanying the controls for preparation instructions and expected results. You
must also follow any quality control requirements from your regulatory or accreditation agencies.
Proficiency Tests
Proficiency testing is an external evaluation of the quality of a laboratory’s performance. Laboratories
enrolled in a proficiency testing program for the QBC Star System will receive five unknown specimens,
three times each year. these specimens are run in the same way that patient specimens are tested.
results are submitted to the proficiency testing program for comparison to results obtained by other
laboratories using the QBC Star System.
a partial list of organizations that may offer proficiency testing for the QBC Star System is shown below:
american Proficiency Institute (aPI)
1159 Business Park Drive
traverse City, MI 49686
800-333-0958
american academy of Family Physicians
Pt Program Coordinator
11400 tomahawk Creek Parkway
Leawood, KS 66211
800-274-7911
College of american Pathologists (CaP)
Surveys Department
325 Waukegan road
Northfield, Illinois 60093
800-323-4040
Level 1
Level 2
Level 3
Min
Target
Max
Min
Target
Max
Min
Target
Max
HCT (%)
36.9
37.9
38.9
44.9
45.9
46.9
65.1
66.1
67.1
HGB (g/dL)
12.3
12.9
13.5
14.8
15.6
16.4
20.6
21.7
22.8
MCHC (g/dL)
31.6
34.0
36.6
31.6
34.0
36.5
30.7
32.8
35.0
PLT (x 10
9
/L)
90
100
110
342
360
378
615
647
679
WBC (x 10
9
/L)
4.6
5.7
6.8
9.5
10.6
11.7
48.5
53.5
58.5
GRAN (x 10
9
/L)
2.2
2.7
3.2
6.0
6.5
7.0
28.3
31.3
34.3
%GRAN
38
47
57
56
61
67
54
59
63
L/M (x 10
9
/L)
2.4
3.0
3.6
3.5
4.1
4.7
20.2
22.2
24.2
%L/M
43
53
62
33
39
44
37
41
46
6000-300-000 5-6
the QC label tolerances are shown in the table below.