{"product_id":"rheumatoid-factor-ra-quantitative-serum","title":"Rheumatoid Factor (RA) Quantitative, Serum","description":"\u003ch2 data-section-id=\"zeptbn\" data-start=\"70\" data-end=\"129\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"73\" data-end=\"129\"\u003eRheumatoid Factor (RA) – Quantitative, Serum (R0004)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1wcyos3\" data-start=\"131\" data-end=\"152\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"135\" data-end=\"152\"\u003eTest Overview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"153\" data-end=\"423\"\u003eThe Rheumatoid Factor (RA) Quantitative test measures the level of rheumatoid factor antibodies in the blood. These antibodies are commonly associated with autoimmune conditions, especially \u003cstrong data-start=\"343\" data-end=\"367\"\u003erheumatoid arthritis\u003c\/strong\u003e, where the immune system mistakenly attacks the joints.\u003c\/p\u003e\n\u003chr data-start=\"425\" data-end=\"428\"\u003e\n\u003ch3 data-section-id=\"1lzn26i\" data-start=\"430\" data-end=\"459\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"434\" data-end=\"459\"\u003eWhy This Test is Done\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"460\" data-end=\"767\"\u003e\n\u003cli data-section-id=\"5d6o86\" data-start=\"460\" data-end=\"508\"\u003eTo help diagnose \u003cstrong data-start=\"479\" data-end=\"508\"\u003erheumatoid arthritis (RA)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g6hlxx\" data-start=\"509\" data-end=\"578\"\u003eTo differentiate RA from other autoimmune or inflammatory disorders\u003c\/li\u003e\n\u003cli data-section-id=\"1yi6g8a\" data-start=\"579\" data-end=\"634\"\u003eTo monitor disease progression and treatment response\u003c\/li\u003e\n\u003cli data-section-id=\"1dx8psq\" data-start=\"635\" data-end=\"767\"\u003eTo support diagnosis of conditions like:\n\u003cul data-start=\"680\" data-end=\"767\"\u003e\n\u003cli data-section-id=\"1jrqnc6\" data-start=\"680\" data-end=\"702\"\u003eSjögren’s syndrome\u003c\/li\u003e\n\u003cli data-section-id=\"c5qrxu\" data-start=\"705\" data-end=\"727\"\u003eChronic infections\u003c\/li\u003e\n\u003cli data-section-id=\"5lubuu\" data-start=\"730\" data-end=\"767\"\u003eOther connective tissue disorders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"769\" data-end=\"772\"\u003e\n\u003ch3 data-section-id=\"1xk2whk\" data-start=\"774\" data-end=\"793\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"778\" data-end=\"793\"\u003eSample Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"794\" data-end=\"801\"\u003e\n\u003cli data-section-id=\"178ohro\" data-start=\"794\" data-end=\"801\"\u003eSerum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"803\" data-end=\"806\"\u003e\n\u003ch3 data-section-id=\"gm1myn\" data-start=\"808\" data-end=\"827\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"812\" data-end=\"827\"\u003ePreparation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"828\" data-end=\"904\"\u003e\n\u003cli data-section-id=\"36c14w\" data-start=\"828\" data-end=\"851\"\u003eNo fasting required\u003c\/li\u003e\n\u003cli data-section-id=\"y0wyqb\" data-start=\"852\" data-end=\"904\"\u003eInform your doctor about any ongoing medications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"906\" data-end=\"909\"\u003e\n\u003ch3 data-section-id=\"1y8t1e7\" data-start=\"911\" data-end=\"930\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"915\" data-end=\"930\"\u003eTest Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"931\" data-end=\"1003\"\u003e\n\u003cli data-section-id=\"1e4ejud\" data-start=\"931\" data-end=\"1003\"\u003eQuantitative analysis (commonly by immunoturbidimetry or nephelometry)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1005\" data-end=\"1008\"\u003e\n\u003ch3 data-section-id=\"50oa2\" data-start=\"1010\" data-end=\"1030\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1014\" data-end=\"1030\"\u003eNormal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1031\" data-end=\"1123\"\u003e\n\u003cli data-section-id=\"12mcwkz\" data-start=\"1031\" data-end=\"1123\"\u003eTypically: \u003cstrong data-start=\"1044\" data-end=\"1058\"\u003e\u0026lt; 20 IU\/mL\u003c\/strong\u003e\u003cbr data-start=\"1058\" data-end=\"1061\"\u003e\u003cem data-start=\"1061\" data-end=\"1123\"\u003e(Ranges may vary slightly depending on laboratory standards)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1125\" data-end=\"1128\"\u003e\n\u003ch3 data-section-id=\"va6o4f\" data-start=\"1130\" data-end=\"1163\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1163\"\u003eInterpretation of Results\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1164\" data-end=\"1350\"\u003e\n\u003cli data-section-id=\"p73ep9\" data-start=\"1164\" data-end=\"1220\"\u003e\n\u003cstrong data-start=\"1166\" data-end=\"1188\"\u003eNormal (Negative):\u003c\/strong\u003e Low or undetectable RF levels\u003c\/li\u003e\n\u003cli data-section-id=\"1g7xosk\" data-start=\"1221\" data-end=\"1350\"\u003e\n\u003cstrong data-start=\"1223\" data-end=\"1259\"\u003eElevated RF Levels May Indicate:\u003c\/strong\u003e\n\u003cul data-start=\"1262\" data-end=\"1350\"\u003e\n\u003cli data-section-id=\"52eb6q\" data-start=\"1262\" data-end=\"1286\"\u003eRheumatoid arthritis\u003c\/li\u003e\n\u003cli data-section-id=\"463dkf\" data-start=\"1289\" data-end=\"1312\"\u003eAutoimmune diseases\u003c\/li\u003e\n\u003cli data-section-id=\"ka77if\" data-start=\"1315\" data-end=\"1350\"\u003eChronic inflammatory conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1352\" data-end=\"1478\"\u003e⚠️ \u003cem data-start=\"1355\" data-end=\"1478\"\u003eNote: A positive RF result alone is not sufficient for diagnosis. Clinical correlation and additional tests are required.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"1480\" data-end=\"1483\"\u003e\n\u003ch3 data-section-id=\"1fw8aol\" data-start=\"1485\" data-end=\"1528\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1489\" data-end=\"1528\"\u003eSymptoms That May Require This Test\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1529\" data-end=\"1668\"\u003e\n\u003cli data-section-id=\"1j0koqv\" data-start=\"1529\" data-end=\"1567\"\u003ePersistent joint pain and swelling\u003c\/li\u003e\n\u003cli data-section-id=\"13u3b2x\" data-start=\"1568\" data-end=\"1609\"\u003eMorning stiffness lasting \u0026gt;30 minutes\u003c\/li\u003e\n\u003cli data-section-id=\"eshj4t\" data-start=\"1610\" data-end=\"1634\"\u003eFatigue and weakness\u003c\/li\u003e\n\u003cli data-section-id=\"17ddmdf\" data-start=\"1635\" data-end=\"1668\"\u003eSymmetrical joint involvement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1670\" data-end=\"1673\"\u003e\n\u003ch3 data-section-id=\"n2sxdp\" data-start=\"1675\" data-end=\"1697\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1679\" data-end=\"1697\"\u003eReporting Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1698\" data-end=\"1727\"\u003e\n\u003cli data-section-id=\"m1vzzn\" data-start=\"1698\" data-end=\"1727\"\u003eUsually within \u003cstrong data-start=\"1715\" data-end=\"1727\"\u003e24 hours\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1729\" data-end=\"1732\"\u003e\n\u003ch3 data-section-id=\"16jt3d0\" data-start=\"1734\" data-end=\"1762\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1738\" data-end=\"1762\"\u003eBenefits of the Test\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1763\" data-end=\"1885\"\u003e\n\u003cli data-section-id=\"3v8ivq\" data-start=\"1763\" data-end=\"1806\"\u003eEarly detection of autoimmune disorders\u003c\/li\u003e\n\u003cli data-section-id=\"1ubpel3\" data-start=\"1807\" data-end=\"1842\"\u003eHelps guide treatment decisions\u003c\/li\u003e\n\u003cli data-section-id=\"12vgu76\" data-start=\"1843\" data-end=\"1885\"\u003eUseful for monitoring disease activity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1887\" data-end=\"1890\"\u003e\n\u003ch3 data-section-id=\"17jaytw\" data-start=\"1892\" data-end=\"1925\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1896\" data-end=\"1925\"\u003eWho Should Take This Test\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1926\" data-end=\"2072\"\u003e\n\u003cli data-section-id=\"18aead2\" data-start=\"1926\" data-end=\"1969\"\u003eIndividuals with joint-related symptoms\u003c\/li\u003e\n\u003cli data-section-id=\"1pznu4\" data-start=\"1970\" data-end=\"2016\"\u003ePatients suspected of autoimmune disorders\u003c\/li\u003e\n\u003cli data-section-id=\"61x3p5\" data-start=\"2017\" data-end=\"2072\"\u003eThose with a family history of rheumatoid arthritis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2074\" data-end=\"2077\"\u003e\n\u003ch3 data-section-id=\"o53z4r\" data-start=\"2079\" data-end=\"2106\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2083\" data-end=\"2106\"\u003eSEO Keywords \/ Tags\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2107\" data-end=\"2248\"\u003eRheumatoid Factor test, RA quantitative test, arthritis blood test, autoimmune disease test, RF serum test, joint pain diagnosis, RA lab test\u003c\/p\u003e","brand":"Lifecell Diagnostics","offers":[{"title":"Default Title","offer_id":44007349223559,"sku":null,"price":385.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/4241\/3447\/files\/0d72fdff-5226-41dd-ad16-2c67151462df_4122b3f8-9e2b-4d23-9e37-8415fb55ebfa.png?v=1777971183","url":"https:\/\/ourdermastore.com\/products\/rheumatoid-factor-ra-quantitative-serum","provider":"Ourdermastore ","version":"1.0","type":"link"}