The department participates in multi and uni-professional clinical audit thus aiming to provide a service that is evidence based and clinically directed.
Verification of normal ranges
The department has verified the normal ranges for various test using 200 sera from British Transfusion Service (BTS). Our audit confirms the existing quoted ranges. In the table below, both the quoted values by CIS and the ranges obtain from BTS samples are compared.
Normal ranges
|
Normal range determined using 200 normal BTS sera
|
|
|
C3C
|
C4
|
IgG
|
IgA
|
IgM
|
B2M
|
CRP
|
|
Lower limit
|
1.08
|
0.16
|
7.09
|
0.67
|
0.15
|
0.77
|
-1.4
|
|
Upper limit
|
2.09
|
0.41
|
13.21
|
3.93
|
1.76
|
1.65
|
4.3
|
|
Quoted adult normal ranges
|
|
Lower limit
|
0.75
|
0.14
|
6.00
|
0.80
|
0.50
|
0.00
|
0.00
|
|
Upper limit
|
1.75
|
0.54
|
16.00
|
4.00
|
2.00
|
4.00
|
10.0
|
Normal ranges
|
Normal range determined using 200 normal BTS sera
|
|
|
CREAT
|
Kappa
|
Lambda
|
KLR
|
AMYL
|
RF
|
TP
|
|
Lower limit
|
56
|
8.04
|
5.36
|
0.33
|
26.9
|
-1.1
|
67.83
|
|
Upper limit
|
100
|
20.97
|
18.38
|
2.16
|
106.8
|
14.1
|
84.19
|
|
Quoted adult normal ranges
|
|
Lower limit
|
50
|
3.30
|
5.71
|
0.26
|
28.0
|
0.00
|
66.0
|
|
Upper limit
|
100
|
19.40
|
26.30
|
1.65
|
100.0
|
14.0
|
87.0
|