Technical Assistance - Siemens IMMULITE 2000 HCG Bedienungsanleitung

clean separation from the distribution of
repeated measurements made on a
30 mIU/mL sample. (All results for the
nonpregnant women: less than 3 mIU/mL.
Mean – 6SD for the 30 mIU/mL sample:
23 mIU/mL.)
References
1) Bangham DR, Storring PL. Standardisation of
human chorionic gonadotropin, HCG subunits,
and pregnancy tests. Lancet 1982;1:390. 2)
Batzer F. Hormonal evaluation of early
pregnancy. Fertil Steril 1980;34:1–12. 3)
Braunstein GD, et al. First-trimester chorionic
gonadotropin measurements as an aid in the
diagnosis of early pregnancy disorders. Amer J
Obstet Gynecol 1978;131:25–32. 4) Clayton L,
et al. Endocrine aspects of trophoblastic
neoplasia. J Reprod Med 1981;26:192–9. 5)
Corson SL, Horwitz CA, Lau HL, Soderstrom R.
Early diagnosis of pregnancy: a symposium. J
Reprod Med 1981;26:149–78. 6) DeCherney
AH, Minkin MJ, Spangler S. Contemporary
management of ectopic pregnancy. J Reprod
Med 1981;26:519–23. 7) Goldstein DP,
Berkowitz RS, Kosasa TS. Measurement of
human chorionic gonadotropin. Major Problems
in Obstet Gynecol 1982;14:64–97. 8) Hager H,
Van Weemen BK. Standardisation of human
chorionic gonadotropin, HCG subunits, and
pregnancy tests. Lancet 1982;1:629. 9) Kohorn
EI. Hydatidiform mole and gestational
trophoblastic disease in southern Connecticut.
Obstet and Gynecol 1982;59:78–84. Erratum:
The first diagram belongs with the caption to
Figure 3, and vice versa. 10) Kosasa TS.
Measurement of human chorionic gonadotropin.
J Reprod Med 1981;26:201–6. 11) Lenton E,
Neal L, Sulaiman R. Plasma concentrations of
human gonadotropin from the time of
implantation until the second week of
pregnancy. Fertil Steril 1982;37;773–8. 12)
Lindstedt G, Janson PO, Thorburn J. Sensitivity
of serum chorionic gonadotropin assay for
ectopic pregnancy. Lancet 1981;1:781–2. 13)
McCready J, Braunstein GD, et al. Modification
of the choriogonadotropin beta-subunit
radioimmunoassay for determination of urinary
choriogonadotropin. Clin Chem 1978;24:1958–
61. 14) Storring PL, Gaines-Das R, Bangham
DR. International Reference Preparation of
Human Chorionic Gonadotrophin for
Immunoassay: potency estimates in various
bioassay and protein binding assay systems. J
Endocrinol 1980;84:295–310. 15) Vaitukaitis J.
Human chorionic gonadotropin – a hormone
secreted for many reasons. N Eng J Med
1979;301:324–6. 16) Danzer H, Braunstein GD,
et al. Maternal serum human chorionic
gonadotropin concentrations and fetal sex
predictions. Fertil Steril 1980;34:336–40. 17)
Hussa RO. The Clinical Marker HCG. New York:
Praeger Publishers, 1987. 18) Greene MF, de
Montserrat MF, Tulchinsky D. In: Tietz NW,
6
editor. Textbook of Clinical Chemistry.
Philadelphia: Saunders, 1986: 1745. 19)
Braunstein GD, et al. Serum human chorionic
gonadotropin levels throughout normal
pregnancy. Am J Obstet Gynecol 1976;126:678.
20) Babson AL The IMMULITE Automated
Immunoassay System. J Clin Immunoassay
1991;14:83-8. 21) 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. 22) Tietz NW, ed. Clinical Guide to
Laboratory Tests. 2nd Ed. Philadelphia: W.B.
Saunders, 1990.

Technical Assistance

In the United States, contact Siemens
Medical Solutions Diagnostics Technical
Services department.
Tel: 800.372.1782 or 973.927.2828.
Fax: 973.927.4101. Outside the United
States, contact your National Distributor.
The Quality System of Siemens Medical
Solutions Diagnostics is certified to
ISO 13485:2003.
Tables and Graphs
Precision (mIU/mL)
1
Within-Run
3 4 5
Mean SD CV SD
1 6.5 0.43 6.6% 0.48
2 103 3.3 3.2% 4.6
3 239 7.6 3.2% 11.1
4 438 13 3.0%
5 3,120 79 2.5% 150
IMMULITE 2000 HCG (PIL2KCG-26, 2009-04-17)
2
Total
CV
7.4%
4.5%
4.6%
21 4.8%
4.8%