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A reference range is usually defined as the set of values 95 percent of the normal population ... D-dimer n/a: 500 [171] ng/mL ... Higher in pregnant women [172] 0.5 ...
D-dimer (or D dimer) is a dimer that is a fibrin degradation product (FDP), a small protein fragment present in the blood after a blood clot is degraded by fibrinolysis. It is so named because it contains two D fragments of the fibrin protein joined by a cross-link , hence forming a protein dimer .
This is a shortened version of the eleventh chapter of the ICD-9: Complications of Pregnancy, Childbirth, and the Puerperium. It covers ICD codes 630 to 679 . The full chapter can be found on pages 355 to 378 of Volume 1, which contains all (sub)categories of the ICD-9.
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The diagnosis of hyperfibrinolysis is made indirectly with immunochemical methods which detect the elevation of biomarkers such as D-Dimer (cross-linked fibrin degradation products), fibrinogen split products (FSP), complexes of plasmin and alpha-2-antiplasmin (PAP).
Some reference states that pregnancy can increase coagullation factors such as d-dimer and fibrin. borgx (talk) 01:08, 26 May 2006 (UTC) In pregnancy, D-dimer is likely to be elevated and loses its use a diagnostic tool. No different normal range is used, because by increasing the cutoff you'd lose its sensitivity.
Normal values for thrombin time may be 12 to 14 seconds, [6] but the test has significant reagent variability. If batroxobin is used, the time should be between 15 and 20 seconds. Thrombin time can be prolonged by heparin, fibrin degradation products, and fibrinogen deficiency or abnormality.
A normal pregnancy contains higher numbers of immune cells, however, in a normal pregnancy, the immune system does not attack the fetus, but works to protect it as it grows and divides at an incredibly fast rate. T helper cells, Th1 and Th2, differ based on cytokine levels; Th1 is up-regulated during pregnancy,whereas Th2 is up-regulated in cancer.