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Ordering information regarding a Cardiolipin Antibody, IgM test for Clinical Diagnostic Laboratories. Cardiolipin Antibody, IgM Ordering Recommendation Acceptable initial test when antiphospholipid syndrome (APS) is highly suspected. Order with Lupus Anticoagulant Reflexive Panel (0030181 ) and Beta-2 Glycoprotein 1 Antibodies, IgG and IgM (0050321 ). Cardiolipin Antibodies, IgG and IgM (0099344 ) is preferred. Mnemonic AC-IGM Performed Mon-Sat Methodology Semi-Quantitative Enzyme-Linked Immunosorbent Assay Reported 1-2 days New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Collect: Serum separator tube. Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to a Standard Transport Tube. (Min: 0.3 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Plasma or other body fluids. Contaminated, heat-inactivated, hemolyzed, or lipemic specimens. Remarks: Stability: After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year Reference Interval <=12 MPL Negative 13-19 MPL Indeterminate 20-80 MPL Low to Moderately Positive 81 MPL or above High Positive Interpretive Data The persistent presence of IgG and/or IgM cardiolipin (CL) antibodies in moderate or high levels (greater than 40 GPL and/or greater than 40 MPL units) is a laboratory criterion for the diagnosis of antiphospholipid syndrome (APS). Persistence is defined as moderate or high levels of IgG and/or IgM CL antibodies detected in two or more specimens drawn at least 12 weeks apart (J Throm Haemost. 2006;4:295-306). Lower positive levels of IgG and/or IgM CL antibodies (above cutoff but less than 40 GPL and/or less than 40 MPL units) may occur in patients with the clinical symptoms of APS; therefore, the actual significance of these levels is undefined. Results should not be used alone for diagnosis and must be interpreted in light of APS-specific clinical manifestations and/or other criteria phospholipid antibody tests. Compliance Category: FDA Note MPL = IgM phospholipid units CPT Code 86147 Components Component Chart Name Cardiolipin Antibody IgM Component Test Code 0050902 LOINC 3182-3 Aliases ACA aCL aCL Antibody aCL IgG Anti-Cardiolipin Anticardiolipin Anticardiolipin Antibodies Cardiolip

Ordering information regarding a Erythrocyte Sedimentation Rate test for Clinical Diagnostic Laboratories. Erythrocyte Sedimentation Rate (ESR) Ordering Recommendation Methodology The ESR test measures the rate at which red blood cells (erythrocytes) settle at the bottom of a test tube over a period of one hour. Inflammation causes red blood cells to clump together, making them heavier and causing them to fall more quickly1. The distance the red blood cells fall is measured and reported as the ESR. Performed Mon-Sat Reported Within 24 hours New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Collect: Purple top tube Specimen Preparation: Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells ASAP within 30 minutes of collection. Transfer 1 mL serum or plasma to a Standard Transport Tube. (Min: 0.3 mL) Storage/Transport Temperature: Unacceptable Conditions: Remarks: Stability: Reference Interval Components Available Separately Reference Interval By report (reports may vary based on instrumentation) Interpretive Data Note CPT Code 80048 Components Component Test Code Component Chart Name LOINC Aliases

The Terms and Conditions of Clinical Diagnostic Laboratories located in Sterling and Ashburn is located on this page. Terms & Conditions 1. Acceptance of Terms Welcome to Clinical Diagnostic Laboratories ("we," "us," or "our"). By accessing or using our services, including our website and any related applications (collectively referred to as the "Services"), you agree to comply with and be bound by these Terms and Conditions. If you do not agree to these terms, please refrain from using our Services. 2. Services Offered Clinical Diagnostic Laboratories provides comprehensive diagnostic testing services including, but not limited to, blood panels, allergy tests, COVID tests, and Influenza tests. These services are available at our two separate locations: 2 Pidgeon Hill Dr., Suite 150, Sterling, VA 20165, and 44355 Premier Plaza, Suite 240, Ashburn, VA 20147. 3. Test Accuracy and Interpretation While we strive to provide accurate and reliable test results, it is important to note that medical tests may have limitations and potential variations. Test results should be interpreted by qualified medical professionals, and we strongly recommend consulting a healthcare provider for accurate diagnosis and treatment recommendations based on the test results. 4. Privacy and Data Security We are committed to protecting your privacy and the security of your personal and medical information. Our Privacy Policy outlines the types of data we collect, how it is used, and the measures we take to safeguard your information. By using our Services, you agree to our Privacy Policy. 5. Payment and Billing We offer various payment options for our services. Payment details, including pricing and payment methods, are available on our website and will be provided during the checkout process. Any additional fees, taxes, or charges associated with the services will be clearly communicated. 6. Appointments and Cancellations Appointments for tests are subject to availability and can be scheduled through our website or by contacting our customer service. If you need to cancel or reschedule an appointment, please provide notice in advance according to our cancellation policy, which will be communicated during the appointment scheduling process. 7. Test Preparation Instructions Specific tests may require certain preparations, such as fasting or medication restrictions. Customers are responsible for following these instructions to ensure accurate test results. 8. Turnaround Time for Results We strive to provide test results within a specific timeframe. However, factors such as test complexity and demand may impact the turnaround time. 9. Refund and Return Policy If services are paid for but not utilized, our refund and return policy applies. Details can be found on our website or obtained by contacting customer service. 10. Communication Channels For inquiries, support, or appointment scheduling, contact us via email, phone, or our designated customer portal. 11. Insurance and Coverage Information about insurance coverage, billing procedures, and reimbursement for services covered by insurance can be found on our website or by contacting us directly. 12. Laboratory Accreditation and Certifications Clinical Diagnostic Laboratories maintains specific accreditations and certifications that demonstrate our commitment to q uality and accuracy. 13. Health and Safety Measures To ensure a safe testing environment, we adhere to rigorous health and safety protocols for the protection of both patients and staff. 14. Dispute Resolution Any disputes will be resolved through mediation or arbitration, with the applicable jurisdiction specified. 15. Legal Disclaimers Our services are for diagnostic purposes only. Customers should consult healthcare professionals for medical advice and treatment. 16. User Accounts (if applicable) If you create a user account on our platform, terms related to account creation, management, and security apply. 17. Governing Law These Terms and Conditions are governed by and construed in accordance with the laws of the state of Virginia, without regard to its conflict of laws principles. 18. Conta ct Us If you have any questions, concerns, or feedback regarding these Terms and Conditions or our Services, please contact us at: Clinical Diagnostic Laboratories 2 Pidgeon Hill Dr., Suite 150, Sterling, VA 20165 44355 Premier Plaza, Suite 240, Ashburn, VA 20147 Email: info@clinicaldiagnosticlab.com Phone: (703) 430-1111 Fax: (703) 722-3890

Ordering information regarding a Hemoglobin A1C test for Clinical Diagnostic Laboratories. Hemoglobin A1C Ordering Recommendation The Hemoglobin A1c test is a vital tool for diagnosing and monitoring diabetes mellitus, as well as assessing prediabetes. Diagnostic levels are marked by values greater than or equal to 6.5%, while monitoring involves tracking long-term glycemic control in diabetes patients. Additionally, values between 5.7% and 6.4% signal an increased risk of developing diabetes. For patients with hemoglobin variants lacking hemoglobin A, the Fructosamine test is preferred for monitoring long-term glycemic control. Mnemonic Methodology Quantitative Capillary Electrophoresis Performed Mon-Sat Reported Within 1-2 days New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Collect: Lavender (EDTA) Specimen Preparation: Transport whole blood in original tube. (Min: 1 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Tissue or urine. Samples frozen after 8 hrs of collection and samples frozen at temperatures less than -70C. Remarks: Stability: Ambient: 72 hours; Refrigerated: 1 week; Frozen: 3 months (Must be frozen within 8 hrs of collection at -70 to -80C) Reference Interval Components Available Separately Reference Interval No Hemoglobin A1C Less than 5.7 percent No Estimated Average Glucose By report Interpretive Data HbA1c values of 5.7-6.4 percent indicate an increased risk for developing diabetes mellitus. HbA1c values greater than or equal to 6.5 percent are diagnostic of diabetes mellitus. For diagnosis of diabetes in individuals without unequivocal hyperglycemia, results should be confirmed by repeat testing. Note This assay accurately measures hemoglobin A1c even in the presence of hemoglobin variants, provided hemoglobin A is present. For patients with known hemoglobin variants who lack hemoglobin A, it is recommended to monitor long-term glycemic control using the Fructosamine test CPT Code 83036 Components Component Test Code 0070427 0070428 Component Chart Name Estimated Average Glucose LOINC Hemoglobin A1C 27353-2 4548-4 Aliases Hemoglobin A1C A1C A1C Hemoglobin Glycated Hemoglobin Glyco HGB Glyco-Hb Glycosylated Hemoglobin HA1C HbA1c Hemoglobin A1C Hemoglobin A1C, Blood

The product page for the HPV cervical cancer test at Clinical Diagnostic Laboratories. HPV Self- Collection Test This test screens for high-risk strains of Human Papillomavirus (HPV), the leading cause of cervical cancer in women. At Clinical Diagnostic Laboratories, this screening is performed using a single, simple cervical swab collected by a licensed medical professional at our facility — no mailing kits, no confusion. Early detection of HPV is one of the most effective ways to prevent the progression of cervical disease, especially for women 25 and older. This test is ideal for those who want to take control of their reproductive health without waiting for a doctor’s referral or dealing with insurance hurdles. With secure results delivered in just a few days, you get clarity, confidence, and peace of mind — all on your terms. Detects high-risk HPV strains associated with cervical cancer No referral, copay, or insurance needed Discreet and professional in-lab collection Results delivered securely in 2–5 business days A smart step toward prevention and early care $75.00 Taxes will be calculated at checkout Buy Now

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Ordering information regarding a Tissue Transglutaminase (tTG) IgG test for Clinical Diagnostic Laboratories. Tissue Transglutaminase (tTG) IgG Ordering Recommendation Recommended single screening test for IgA-deficient individuals with suspected celiac disease. (IgA testing recommended to identify IgA deficiency.) May aid in monitoring adherence to gluten-free diet in celiac disease confirmed patients. Mnemonic Methodology Semi-Quantitative Enzyme-Linked Immunosorbent Assay Performed Mon-Sat Reported 1-2 Days New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Collect: Serum separator tube (SST). Specimen Preparation: Remove serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to a Standard Transport Tube. (Min: 0.5 mL) Storage/Transport Temperature: Refrigerated Unacceptable Conditions: Refrigerated. Remarks: Plasma. Hemolyzed or severely lipemic specimens. Stability: After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year Reference Interval 5 U/mL or less 6-9 U/mL Negative Weak Positive 10 U/mL or greater Positive Interpretive Data The tTG IgG assay may aid in the diagnosis of gluten-sensitivity enteropathy (i.e., celiac disease, dermatitis herpetiformis) in tTG IgA negative patients with confirmed IgA deficiency. A negative tTG IgG test alone does not rule out gluten-sensitive enteropathy. Note Human recombinant tTG antigen is utilized in this assay CPT Code 86364 Components Component Chart Name Tissue Transglutaminase (tTG) Ab, IgA Component Test Code 0056009 LOINC 56537-4 Aliases Tissue Transglutaminase Transglu taminase tTG tTG IgG

Ordering information regarding a Cyclic Citrullinated Peptide (CCP) Antibody, IgG test for Clinical Diagnostic Laboratories. Cyclic Citrullinated Peptide (CCP) Antibody, IgG Ordering Recommendation Highly specific serologic test that aids in the workup of suspected rheumatoid arthritis or undifferentiated inflammatory arthritides. Rheumatoid Arthritis Panel (3004055 ) is the preferred test. Mnemonic Methodology Semi-Quantitative Enzyme-Linked Immunosorbent Assay Performed Mon-Sat Reported Within 24 hours New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Collect: Serum separator tube (SST). Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to a Standard Transport Tube. (Min: 0.3 mL) Storage/Transport Temperature: Refrigerated Unacceptable Conditions: Urine or plasma. Contaminated, hemolyzed, grossly icteric, heat-inactivated, or severely lipemic specimens. Remarks: Stability: After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles) Reference Interval 19 Units or less 20-39 Units Negative Weak Positive 40-59 Units Moderate Positive 60 Units or Greater Strong Positive Interpretive Data Anti-cyclic citrullinated peptide (anti-CCP), IgG antibodies are present in about 69-83 percent of patients with rheumatoid arthritis (RA) and have specificities of 93-95 percent. These autoantibodies may be present in the preclinical phase of disease, are associated with future RA development, and may predict radiographic joint destruction. Patients with weak positive results should be monitored and testing repeated. Note CPT Code 86200 Components Component Chart Name Cyclic Citrullinated Peptide Ab, IgG Component Test Code 0055256 LOINC 33935-8 Aliases ACPA Antibody Anti Citrullinated Antibody Anti Citrulline Anti-CCP Anti-CCP Antibody Anti-Citrullinated Ab Anti-Citrullinated Antibody Anti-Citrullinated Protein/Peptide Antibody (ACPA) Anti-Citrulline Antibody Anti-Cyclic Citrullinated Peptide AntiCCP Antibody Anticitrullinated Antibody Anticitrullinated Protein/Peptide Antibody (ACPA) Anticitrulline Antibody Anticyclic Citrullinated Peptide (CCP) Antibody CCP CCP3 Antibody Citrullinated Ab Citrullinated Antibody Citrullinated Protein/Peptide Antibody (ACPA) Citrulline An tibody Soft-CCP

View a complete list of participating insurances here at Clinical Diagnostic Laboratories. Contact us for more information. PARTICIPATING INSURANCE COMPANIES Clinical Diagnostics Laboratories will file all claims with the below-listed insurance companies. The list below is not a complete list of Health plans with which CDL participates and is subject to change over time. There may be exceptions in certain areas or for certain members or plans. If you have any questions or do not see your insurance company listed here, please contact us. AARP Adventist HealthCare Aetna (PPO) American Postal Workers Union (APWU) AmeriGroup Health AmeriHealth Anthem Assurant Health Beechstreet Benefit Plan Administrators VA Blue Cross Blue Shield of VA PPO, KeyCare, Cova, Medicare Advantage PPO Anthem Blue Cross (PPO, Medicare PPO)Blue Cross Blue Shield of West VA BRMS Capital Blue Cross (PPO Only) Care Improvement Plus-United Health CareFirst BCBS CareLink CareNet Celtic Insurance ChoiceCare Cigna (Multiplan) Cofinity Compass Rose Conifer Health Solution CoreSource Corvel Coventry National PPO Emblem Health (PPO Only) Empire BCBS (PPO Only) Federal and State Benefit Health Plans FEHBP FedMed Inc First Health National PPO Network Fortis Insurance -Assurant Galaxy Health Network GEHA-(First Health) Geisinger Health Great West HealthAmerica HealthPartners Network HealthScope Services HealthSmart Preferred Networks Highmark BCBS (PPO Only) Horizon BCBS (PPO Only) Humana (All Plans) InterPlan Health Group-HealthSmart John Alden Insurance -Assurant Johns Hopkins Healthcare MagnaCare Mail Handlers Benefit Plan Maryland Physicians Care (MPC) MedCost (NovaNet) Medical Mutual Meritain Health Multiplan National Network NALC- Cigna, Multiplan National Capital PPO, Health Link National Care Network NCN National Claims Administrative Services (NCAS) NovaNet PPO OneNet PPO (United Health Care) Optima Health Network-Valley Health Net Paramount Health Care PayerFusion POMCO Prime Health Services Private Healthcare (PMCS) Pyramid Life Insurance Company Riverside Health(Maryland HealthChoice) Ryan White HIV/Aids Program SAMBA FEP StarMark Insurance Stratrose PPO, NPPN SummaCare PPO (Multiplan, PHCS) SuperMed PPO-1st Medical The Health Plan Three Rivers Provider Network Unicare UnitedHealthcare Virginia Health Network-MedCost Ultra, VHN Plus USA MCO Government Health Plans Medicaid VA, MD, and DC Medicare Advantage PPO Medicare Supplement Railroad Medicare Traditional Medicare Tricare Health Net Federal Services Humana Military TriCare for Life TriWest SCHEDULE AN APPOINTMENT Last Name Email Phone Type your message here... Submit Thanks for submitting! A member of our team will respond to your inquiry as soon as possible.

Are you interested in learning more about Clinical Diagnostic Laboratories' processes? Read this page to learn more. What to Expect Clinical Diagnostics Laboratories (CDL) will make your specimen collection process safe, quick, and as comfortable as possible. We will also make sure to safeguard your privacy and will be treated with the utmost care and dignity. While walk-ins to our lab are welcome during the week, we highly recommend scheduling an appointment if you are pressed for time or if you will require blood work. Weekends are by appointment only. When Visiting the Lab You Should Bring the Following: If you are paying out of pocket fo r a lab, then a lab request is not necessary to have from your doctor but if you are planning on submitting it to your insurance please bring the lab request from your doctor's office, or ask your doctor to email to us prior to your appointment. Please note that the patient is responsible for verifying if their insurance plan is in-network with our facility as individual insurance policies may have unique requirements that enable a claim to be fully covered. ✔️ A current insurance identification car d, (Medicare, Private Insurance, or HMO/PPO) ✔️A photo Id (Drivers License or employee identification badge) ✔️A health spending card, personal check, cash, or mobile PayPal account. Our Process as a Patient at O ur Facility: View Accepted Insurance 01 Schedule An Appointment 02 On the date and time of your appointment, we'll take your doctor's order and make a copy of your ID and Insurance. We'll also have you sign a consent form during this time 03 Once your information is copied, the proper items for your test will be prepared. This typically takes about 5-10 minutes depending on the test being performed. 04 Meet with the nurse for your test. This process typically takes around 5-10 minutes. 05 Once you finish your test, your results will be delivered to your doctor if you provided an order. If you did not provide an order, the results will be sent as a PDF file to your email address. Results typically take 3-10 days depending on the test perfofrmed. For more information on how long your test might take, please conact us. Schedule An Appointment