Ferritin
Kod:12006|CPT:82728|LOINC:2276-4
| Kabi | Ferritin |
|---|
Tahlil ma'lumotlari
Tadqiqot usuli
- Elektrokimyoluminessent immunoanaliz (ECLIA)
- Immunoturbidimetriya
Kutilayotgan natija topshirish vaqti
1 kun
Maxsus tayyorlik
- Fast for 8 hours before collection; water is allowed.
- If clinically acceptable, stop iron‑containing medications and supplements 72 hours prior to the draw.
- Avoid physical or emotional stress and do not smoke for 30 minutes before collection.
- Use the same assay method for serial measurements; results from different methods are not interchangeable.
- This order is for a single measurement; for longitudinal monitoring, request the designated serial test (480111).
- Assess for high‑dose biotin use; discontinue biotin at least 72 hours before collection.
Qanday foydalanish
Ferritin (qon zardobi ferritini; temir zaxiralari indikatori) butun tana bo'yicha temir zaxiralarini baholash va anemiyaning boshqa sabablaridan, jumladan surunkali kasalliklar anemiyasidan temir tanqisligi anemiyasini farqlash uchun qo'llanadi. Tahlil ferritin va temir to'yinishi oshgan bo'ladigan temir ortiqchaligini, masalan irsiy gemoxromatozni baholashni qo'llab-quvvatlaydi. Shuningdek, u temir tanqisligida va temir ortiqchaligi bilan bog'liq holatlarda davolashga javobni kuzatishda qo'llanadi. Ferritin saqlangan temirni aks ettirgani sababli, uni boshqa temir tadqiqotlari bilan birga qo'llash diagnostik aniqlikni oshiradi. "Saqlangan temir" va "metalloprotein" kabi sinonimlar klinik hujjatlarda uchrashi va ayni o'lchovni anglatishi mumkin.
Cheklovlar
Ferritin temirni saqlash uchun asosiy hujayra ichidagi oqsildir va jigar, suyak iligi, taloq hamda mushaklarda ko'p uchraydi. Qondagi ferritin temir zaxiralari bilan korrelyatsiya qiladi va odatda temir tanqisligining erta bosqichida pasayadi, ko'pincha anemiya boshlanishidan oldin. Ortiqcha temir qabul qilinishi yoki so'rilishi to'qimalarda to'planishga olib keladi va jigar, yurak va oshqozon osti beziga zarar yetkazishi mumkin. Ferritin o'tkir faza reaktanti sifatida ham tutadi va yallig'lanish, surunkali infeksiya, autoimmun kasallik, jigar kasalligi yoki malignitetlarda ko'tarilishi mumkin; homiladorlikning kech bosqichida darajalar pasayishi mumkin. Talqin qilishni zardob temiri, umumiy temirni bog'lash qobiliyati, transferrin va transferrin to'yinishi kabi qo'shimcha temir tadqiqotlarini ko'rib chiqish kuchaytiradi.
| O'lchov birligi | ng/mL | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Referens oraliq |
| |||||||||
| Ko'rsatmalar | Abnormal complete blood count suggesting anemia or microcytosis (eg, decreased hemoglobin, hematocrit, or red blood cell count), Clinical suspicion of iron deficiency, Concern for iron overload, including possible hemochromatosis, Workup of anemia in symptomatic patients, Pediatric evaluation when anemia may be affecting learning performance, Monitoring response to treatment for iron deficiency anemia or for disorders with iron overload |
Natija og'ishlarining mumkin sabablari
Oshgan daraja
- aging
- alcohol
- autoimmune disease
- chronic infection
- estrogens
- inflammation
- iron supplements
- liver disease
- malignancy
- oral contraceptives
- strenuous exercise
Pasaygan daraja
- biotin (high-dose)
- pregnancy (late)
Namunangiz talablari
| Namunangiz | Zardob |
|---|---|
| Container | Oltin/yo'lbars qopqoqli probirka (SST, gel ajratgich) |
| Hajm | 1 mL (min 0.7 mL) |
| Saqlash tayyorlik | Xona harorati, Sovutilgan, Muzlatilgan |
References
Centers for Disease Control and Prevention. Iron deficiency−United States, 1999-2000. MMWR. 2002 Oct 11;51(40):897-899. PubMed 12425310.
Centers for Disease Control and Prevention. Recommendations to prevent and control iron deficiency in the United States. MMWR. 1998 Apr 3;47(RR-3):1-36. PubMed 9563847.
Cogswell MS, Looker AC, Pfeiffer CM, et al. Assessment of iron deficiency in US preschool children and nonpregnant females of childbearing age: National Health and Nutrition Examination Survey 2003-2006. Am J Clin Nutr. 2009 May;89(5):1334-1342. PubMed 19357218.
LabCorp internal data.
World Health Organization (WHO). Iron Deficiency Anaemia. Assessment, Prevention, and Control. A guide for programme managers. Geneva: World Health Organization; 2001. (WHO/NHD/01.3). Available from: http://apps.who.int/iris/bitstream/10665/66914/1/WHO_NHD_01.3.pdf?ua=1. Accessed 2008.