Technical Assistance - Siemens IMMULITE 2000 Manual Del Usario

goals for serum thyroglobulin assays. Clin Chem
1996;42:164-73. 16) Spencer CA. Recoveries
cannot be used to authenticate thyroglobulin
(Tg) measurements when sera contain Tg
autoantibodies. Clin Chem 1996;42:661-3.
17) National Committee for Clinical Laboratory
Standards. Procedures for the collection of
diagnostic blood specimens by venipuncture;
approved standard. 4th ed. NCCLS Document
H3-A4, Wayne, PA: NCCLS, 1998. 18) Centers
for Disease Control. Update: Universal
precautions for prevention of transmission of
human immunodeficiency virus, hepatitis B virus
and other bloodborne pathogens in healthcare
settings. MMWR, 1988;37:377–82, 387–8.
19) Clinical and Laboratory Standards Institute
(formerly NCCLS). Protection of Laboratory
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Tables and Graphs
Precision (ng/mL)
Within-Run
3 4
Mean SD
1 10 0.48
2 59 3.5
3 13 0.82
4 20 1.0
5 279 19
IMMULITE 2000 Thyroglobulin (PIL2KTY-22, 2015-04-22)
1 2
Total
5
CV SD CV
4.8% 0.56 5.6%
5.9% 3.6 6.1%
6.3% 0.85 6.5%
5.0% 2.0 10%
6.8% 20 7.2%
Linearity (ng/mL)
1 2
Dilution Observed
1 16 in 16 63
8 in 16 31
4 in 16 15
2 in 16 7.3
1 in 16 3.7
2 16 in 16 82
8 in 16 37
4 in 16 19
2 in 16 10
1 in 16 4.7
3 16 in 16 96
8 in 16 44
4 in 16 21
2 in 16 10
1 in 16 5.1
4 16 in 16 140
8 in 16 70
4 in 16 34
2 in 16 17
1 in 16 8.3
Specificity
2
Added
1
Compound ng/mL
AFP 19,000
FSH 200
TSH 560
T2 48,000
T3 10,000
T4 10,000
5
ND: not detectable
3 4
Expected %O/E
— —
32 97%
16 94%
7.9 92%
3.9 95%
— —
41 90%
21 91%
10 100%
5.1 92%
— —
48 92%
24 88%
12 83%
6.0 85%
— —
70 100%
35 97%
18 94%
8.8 94%
Apparent % Cross-
3 4
ng/mL reactivity
ND ND
0.11 ND
0.09 ND
ND ND
ND ND
ND ND
7