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RA Factor (Rheumatoid Arthritis) Test: Price, Range, Report & Procedure

Rheumatoid factor (RF) is a blood test that measures the amount of the RF autoantibodies, Which attack the body's healthy cells and tissues.

Rheumatoid Factor (rf) Test Info & Procedure

Group NameARTHRITIS AUTOIMMUNE
FastingFasting not required
Sample TypeSERUM
Sample CollectionHome sample collection
ReportsMost reports: 24–48 hours after the sample reaches the lab; timing varies by test.
Report typeDigital report

Rheumatoid Factor (rf) Test Visual Guide

Measures rheumatoid factor antibody used in arthritis and autoimmune evaluation.

Technician collecting a blood sample from a woman at home

Download Rheumatoid Factor (rf) Test Visual Guide infographic (PNG)

ResultReported in IU/mL.
What it showsCurrent autoantibody signal.
SampleSerum. No fasting required.
Common useRheumatoid arthritis work-up.

How RF Works

  1. Immune antibody checkedRF can target own proteins
  2. Blood level measuredPositive/level is reported
  3. Symptoms matchedJoint pattern matters

Typical result context

Result contextGuide
Negativebelow lab cut-off
Positiveautoimmune context
Highneeds clinical review

RF can be positive in conditions other than rheumatoid arthritis.

Why it may be advised

  • Arthritis work-up
  • Joint swelling review
  • Autoimmune screen

When to discuss it

  • Morning stiffness
  • Small joint pain
  • Swollen joints

Often reviewed with

  • Anti CCP
  • ESR
  • CRP

Simple Testing Flow

  1. BookSelect RF test online
  2. Home VisitCollection executive arrives
  3. SampleSample collected as instructed
  4. Lab ReportProcessed and shared digitally

No fasting

  • Usually no fasting
  • Share autoimmune history

May affect meaning

  • Other infections
  • Age
  • Autoimmune conditions

Not standalone

  • Anti CCP adds specificity
  • Symptoms and exam matter

About the Test

Rheumatoid Factor (rf) is a laboratory test that measures a result in a Blood (Serum) sample. It may be ordered to investigate symptoms, support a diagnosis or monitor a condition, depending on your clinician's advice.

The current booking price is shown at Rs. 573 against an MRP of Rs. 665, inclusive of taxes where applicable.

No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. Home sample collection is available in serviceable cities. A trained phlebotomist collects the sample using sterile equipment, and the report is shared online after processing.

Rheumatoid Factor (rf) blood test sample collection

Rheumatoid Factor Reference Guide

Reference ranges vary by laboratory and method. Use the range printed on your final report. The information below is educational only.

General Educational Range (Not a Report Range)

MeasureTypical guideNote
Result formatNegative or below lab cut-offNormal cut-offs vary by lab.
Positive RFAbove lab cut-offMay support rheumatoid arthritis but is not specific.
False positivesCan occurMay appear in other autoimmune, infection or ageing contexts.

Why This Test Is Ordered

ReasonDescription
Arthritis supportLooks for RF autoantibodies.
Diagnosis supportUsed with symptoms and anti-CCP.
Monitoring contextMay support autoimmune disease evaluation.

Symptoms And Who Should Test

SituationDescription
SymptomsJoint pain, swelling, stiffness, morning stiffness, fatigue.
Risk contextPossible rheumatoid arthritis or autoimmune disease symptoms.
Follow-up usersPeople with positive ANA/ESR/CRP or persistent joint symptoms.

Preparation And Interpretation Notes

TopicGuidance
FastingNo fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions.
PairingOften ordered with anti-CCP, ESR and CRP.
InterpretationRF alone cannot diagnose rheumatoid arthritis.
Sources: MedlinePlus Rheumatoid Factor Test

Home sample collection for Rheumatoid Factor (rf) is available in the cities below, subject to confirmation of your pincode at booking.

Bangalore Chennai Delhi Hyderabad Kolkata Mumbai Pune Ahmedabad Jaipur Lucknow Coimbatore Chandigarh Agartala Agra Ahmednagar Ajmer Akola Aligarh Allahabad Alwar Ambala Amravati Amritsar Anand Araria Aurangabad Bahraich Ballia Banda Bardhaman Bareilly Basti Beed Begusarai Bhagalpur Bhilwara Bhiwani Bhopal Bhubaneswar Bidar Bikaner Birbhum Bulandshahr Cachar Chandrapur Chittoor Cuttack Dakshina Kannada Darbhanga Darjeeling Datia Dehradun Deoghar Deoria Dewas Dhanbad Dharmapuri Dhule Durg East Champaran East Godavari East Singhbhum Erode Etah Faizabad Faridabad Gandhinagar Ganjam Gaya Ghaziabad Ghazipur Godda Gonda Gorakhpur Guntur Gurdaspur Gurgaon Guwahati Gwalior Haridwar Hathras Hazaribagh Hisar Hooghly Hoshangabad Howrah Indore Jabalpur Jajpur Jalandhar Jalgaon Jalna Jammu Jamnagar Jamshedpur Jamui Jaunpur Jhajjar Jhansi Jharsuguda Jodhpur Kadapa Kalaburagi Kamrup Kanchipuram Kanpur Kanyakumari Karimnagar Karnal Katihar Katni Kendujhar Khammam Kheda Kishanganj Kochi Koderma Kolhapur Koraput Kota Kozhikode Krishna Krishnagiri Kurnool Latur Ludhiana Madhubani Madurai Mandla Mangalore Mathura Mayurbhanj Medak Medinipur Meerut Mohali Moradabad Munger Muzaffarnagar Muzaffarpur Mysore Nagpur Nainital Nalanda Nalgonda Namakkal Nanded Narsinghpur Nashik Navi Mumbai Nellore Nizamabad Noida North 24 Parganas North Dinajpur Palghar Panchkula Panipat Patiala Patna Pedakurapadu Peddapalli Pondicherry Prakasam Pratapgarh Puri Purnia Raebareli Raigarh Raipur Raisen Rajahmundry Rajkot Rajnandgaon Ranchi Rangareddy Ratlam Ratnagiri Rewa Rohtak Sagar Saharanpur Saharsa Sahibzada Ajit Singh Nagar Salem Sambalpur Sangareddy Saran Satara Secunderabad Seraikelakharsawan Sibsagar Siddipet Sitamarhi Solapur Sonbhadra South 24 Parganas Srinagar Sultanpur Sundargarh Surat Surguja Thane Thanjavur Thiruvananthapuram
Check all cities where service is available →

Profiles Including This Test

Rheumatoid Factor (rf) Test Price

Test conducted by Thyrocare partner laboratory Thyrocare Technologies Limited
Thyrocare partner laboratory
Rs. 665
Rs.573 14% Off
Free Home Sample Collection
Pay after sample collection
CAP Accredited NABL Accredited UKAS Management Systems ANAB Accredited

Why Choose Thyrocare for Rheumatoid Factor (rf)

Review the preparation guidance, sample type, home collection availability and report information before booking Rheumatoid Factor (rf). The final collection and reporting details are confirmed during booking.
Home sample collection for diagnostic testing

Home Based & Quality Diagnostics
at an Unbeatable Price


Carefully designed Tests to provide you with the most vital information for your health.

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Laboratory Processing

Your sample is collected by a trained phlebotomist and sent to the partner laboratory for analysis. The laboratory processes the sample using its validated procedures and quality controls. Your final report shows the result, unit and reference range used for that test. Discuss an unexpected or abnormal result with your clinician.