A metotrexát koncentrációjának ellenőrzésére, a toxikus koncentráció kimutatására.
Meghatározott időközönként nagy dózisú metotrexát adását követően, a metotrexát vérszintjének ellenőrzésére és a kezelés irányítására, illetve bármikor, ha a tünetek metotrexát mérgezésre utalnak.
A kar könyökhajlati vénájából vett vérmintára.
Nem szükséges előkészület, de a mintavétel időzítése fontos; vérvételkor mondja el a laboratóriumi dolgozónak, mikor vette be a legutóbbi adag metotrexátot.
Aktuális áttekintésben használt források
2018 review completed by Mahesheema Ali, Ph.D.
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Korábbi áttekintések során használt források
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