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Learn why our practice no longer accepts PPO insurance or Anthem HealthKeepers, what this change means for your care, and how we continue to prioritize accessible, patient‑focused treatment. Dear Valued Patient, We understand that navigating lab testing and insurance coverage can be confusing, stressful, and sometimes frustrating. Many patients expect that medically necessary lab tests will be fully covered by their insurance, only to be surprised by bills or claim denials. We want to take a moment to explain why this happens, and what options are available to you. Why Insurance Coverage Can Be Complicated Insurance companies often control which laboratories they will reimburse, and many have exclusive agreements with specific “preferred” labs. Even if your doctor orders a test that is medically necessary and has a preferred laboratory they wish to send it to, insurance may refuse to pay if the lab performing it is not on the insurer’s approved list. In addition: Claims can be denied for administrative reasons, not because the test lacks medical necessity. In 2023, studies showed that nearly 1 in 5 claims across commercial plans were denied, with out-of-network labs denied more than one-third of the time. Negotiated rates may not reflect the true cost of testing, leaving smaller or independent labs out-of-network and limiting patient choice. Large insurers sometimes rely on high-volume national labs (like LabCorp or Quest), which must process thousands of samples and often face delays, lost specimens, or reporting outside the necessary timeframe . “Insurance networks and claim rules can make testing feel more like a barrier than a service. That’s why we focus on transparency and patient choice.” Your Options: Affordable, Transparent Self-Pay To make testing accessible and predictable, we offer affordable self-pay pricing. Because all of our testing is performed in-house, locally, we can provide: Lower prices than national lab chains Faster turnaround times Greater accuracy and reliability If you choose to pay out-of-pocket, we will provide a superbill containing everything your insurance company needs to process a claim. This includes: CPT codes for all tests performed Diagnosis codes Our provider identifiers (NPIs) Itemized charges and documentation We are happy to assist you with any additional paperwork or information your insurer may request. Even if the claim is initially denied, we can provide supporting documentation to help you appeal. “We want you to have control over your care — and the ability to submit claims to your insurance if you wish.” Why Our Lab is Different Unlike large national laboratories: Everything is processed locally, in-house, giving us control over quality and timing We avoid unnecessary shipping, which reduces risk of lost or misreported samples Our focus is on patient-centered service, not volume This means you get your results faster, accurately, and at a fraction of the cost. We Are Here to Help We understand this situation is not your fault, and it’s not your choice. Insurance networks, coverage rules, and reimbursement policies are complex — even for providers. Our commitment is simple: Provide high-quality testing you can trust Offer transparent, affordable pricing Support you in navigating insurance reimbursement whenever possible “With self-pay options and superbill support, you can access the testing you need without unnecessary delays or surprises.” Take Action Today We make it simple to access testing services on your terms: If you have questions or need guidance about insurance or billing, please contact our team — we are happy to walk you through every step. With care, The Team at Clinical Diagnostic Laboratories The Team at Clinical Diagnostic Laboratories View Our Self Pay Options >

Ordering information regarding a Comprehensive Metabolic Panel test for Clinical Diagnostic Laboratories. Comprehensive Metabolic Panel Ordering Recommendation Mnemonic Methodology Quantitative Ion-Selective Electrode/Quantitative Enzymatic Assay/Quantitative Spectrophotometry 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: Protect from light. Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 30 minutes of collection. Transfer 1 mL serum or plasma to an Amber Transport Tube. (Min: 0.5 mL) Storage/Transport Temperature: Refrigerated Unacceptable Conditions: EDTA, citrate, oxalate, or sodium fluoride/potassium oxalate. Remarks: Stability: After separation from cells: Ambient: Calcium and CO2: 4 hours, All others: 24 hours; Refrigerated: 1 week; Frozen: 2 weeksated: 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 Note Tests included in this panel: Albumin, Serum or Plasma (0020030), Alkaline Phosphatase, Serum or Plasma (0020005), Aspartate Aminotransferase, Serum or Plasma (0020007), Alanine Aminotransferase, Serum or Plasma (0020008), Bilirubin, Total, Serum or Plasma (0020032), Calcium, Serum or Plasma (0020027), Carbon Dioxide, Serum or Plasma (0020004), Creatinine, Serum or Plasma (0020025), Chloride, Serum or Plasma (0020003), Glucose, Serum or Plasma (0020024), Potassium, Plasma or Serum (0020002), Protein, Total, Plasma or Serum (0020029), Sodium, Plasma or Serum (0020001), and Urea Nitrogen, Plasma or Serum (0020023). CPT Code 80053 Components Component Chart Name Component Test Code LOINC Sodium, Serum or Plasma 0020001 2951-2 0020002 Potassium, Serum or Plasma 2823-3 0020003 0020004 Chloride, Serum or Plasma 2075-0 Carbon Dioxide, Serum or Plasma 2028-9 0020005 0020007 Alkaline Phosphatase 6768-6 Aspartate Aminotransferase 1920-8 0020008 0020023 Alanine Aminotransferase 1742-6 Urea Nitrogen, Serum or Plasma 0020024 0020025 3094-0 Glucose, Serum or Plasma Creatinine, Serum or Plasma 2345-7 2160-0 0020027 0020029 Calcium, Serum or Plasma Protein Total, Serum/Plasma 17861-6 2885-2 0020030 0020032 Albumin, Serum or Plasma Bilirubin, Total, Serum or Plasma 1751-7 1975-2 0020396 3004293 Anion Gap UH EGFR 33037-3 Aliases ACPA Antibody Anti Citrulline Anti-CCP C12 Chem 12 Chemistry Panel Chemistry Screen CMP SMA 12 SMA 20 SMAC

Purchase a pre-built laboratory panel to maintain your health and vitality without the hassle of insurance, a doctor's order, or unreasonable costs. Affordable Lab Testing - No Doctor Required Get the bloodwork you need, when you need it — without insurance, referrals, or hidden fees. Shop Our Panels How Does it Work? At Clinical Diagnostic Laboratories, we understand how frustrating affordable healthcare can be. Between insurance delays, surprise bills, medical jargon, and waiting weeks for lab results, it’s no wonder people avoid getting the tests they need. That’s why we’ve built a simple, self-pay solution — no referrals, no insurance, no hassle. No doctor's order or referral needed No insurance required - ever! Transparent pricing with no surprise bills Skip the copays, deductible, and delays Schedule your appointment after purchase - no walk-ins, no crowds Fast, accurate results from a CLIA-certified lab Perfect for wellness tracking, hormone balance, STD screening, and more! Designed for busy professionals, self-pay patients, and the health-conscious Simple online ordering in minutes Shop Our Panels What To Expect 1. Choose a Pre-Built Test Panel We've designed targeted panels to address common concerns like fatigue, hormone imbalance, STD screening, and more - no guesswork required. 3. Schedule Your Lab Visit After purchase, you'll receive a link to schedule your appointment at our local lab. No walk-ins for pre-ordered tests means no waiting rooms. 2. Pay Securely Online Flat-rate pricing with no hidden fees. No copays, deductibles, or confusing insurance claims to worry about. 4. Get Results in 2-5 Days Most test results are delivered straight to your inbox as a secure, easy-to-read PDF. Shop Our Panels At Clinical Diagnostic Laboratories, your personal health information is kept strictly confidential. We follow all HIPAA guidelines to ensure your data is secure, your test results are private, and your experience is handled with the highest level of discretion. Your information will never be shared without your explicit consent.

The product page for the Diabetes Panel for Clinical Diagnostic Laboratories. Diabetes and Heart Health Panel A powerful combo panel to evaluate your blood sugar control and cardiovascular risk: Hemoglobin A1c – Measures your average blood sugar levels over the past 2–3 months. Total Cholesterol – Gives an overall picture of your blood cholesterol. HDL ("Good") Cholesterol – Helps protect your heart by removing bad cholesterol. LDL ("Bad") Cholesterol – High levels are linked to increased heart disease risk. Triglycerides – Elevated levels can signal a higher risk of diabetes and heart disease. HDL % of Total Cholesterol – Indicates the balance between good and total cholesterol. $139.00 Taxes will be calculated at checkout Buy Now

Learn more about Clinical Diagnostic Laboratories, located in Ashburn and Sterling within the Loudoun County area. About Clinical Diagnostic Laboratories Our main goal is to provide an alternative testing facility for individuals: doctors, as well as hospitals that are affordable and convenient. What makes Clinical Diagnostics Laboratories different from the others? We provide excellent service with a personal and friendly touch. We have an on-call Director at the Lab who has a Ph.D. in Pathology. Our Full-time Technologist has over ten years of experience in the Medical Lab field. Clinical Diagnostic Laboratories has grown quickly throughout the area with respect to returning individuals, referrals, and walk-ins because we treat our patients with dignity and respect. Schedule An Appointment Commemorated as Local Heroes to the Community Throughout the years, Clinical Diagnostic Laboratories has worked extensively to provide testing and our services to organizations and government officials regularly to maintain a safe environment for everyone. During the peak of the COVID-19 Pandemic, Clinical Diagnostic Laboratories provided additional assistance to help guarantee the safety of the community. Due to their efforts, they were awarded by Fairfax County with the Community Hero Award. You can read more using the button below. Read More Here One of the Best at What We Do! We help medical facilities, individual patients, large companies, and organizations. Below are a few of the groups we’ve partnered with. View Our Capability Statement What Others Say About Us For over 5 years, our facility has continued to provide excellent, quality service to many patients. Here’s what they say about us and our laboratory. Leave a Review

Ordering information regarding a Urine Culture test for Clinical Diagnostic Laboratories. Urine Culture Ordering Recommendation Quantitative culture to identify bacterial causes of urinary tract infections. Methodology Culture/Methods may include biochemical, mass spectrometry, or sequencing. Performed Mon-Sat Reported 1-3 Days New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Collect: Midstream urine or foley catheter urine. Specimen Preparation: Transfer urine to a sterile container. (Min: 1 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Urine from catheter bag. Multiple (more than one in 24 hours), 24-hour, or pooled specimens. Foley catheter tips (syringe with needle attached). Delayed transport of unpreserved urine (greater than two hours at room temperature or greater than 24 hours refrigerated). Remarks: Specimen source required. Stability: Ambient: 2 hours; Refrigerated: 24 hours; Frozen: Unacceptable. Reference Interval No growth. Identification and susceptibility tests are performed on significant isolates Interpretive Data Note Identification and susceptibility tests are billed separately from culture. Gram stain is performed by request only. Results indicate colony count plus identification of significant isolates. CPT Code 87086 Components Component Test Code Component Chart Name LOINC 0060131 Culture, Urine 630-4 Aliases Aerobic Bacteria Culture, Urine Bacterial Culture, Aerobic, Urine Culture, Aerobic Bacteria, Urine Culture, Urine

The product page for the general Women's Health Panel Clinical Diagnostic Laboratories. Women's Health Panel Feel your best, inside and out. This comprehensive blood panel is designed specifically for women to provide a clear picture of your overall health, hormone balance, and essential nutrients. Whether you’re managing symptoms, staying proactive, or just checking in — this panel helps you take control of your wellness. Here’s what it checks — and why it matters: Complete Blood Count (CBC) – Measures your white and red blood cells to check for signs of fatigue, infection, or anemia. Comprehensive Metabolic Panel (CMP) – Evaluates your liver and kidney function, blood sugar, and electrolyte balance. Lipid Panel – Assesses cholesterol levels, including “good” (HDL) and “bad” (LDL) cholesterol, to help understand your heart health. TSH (Thyroid-Stimulating Hormone) – Screens for thyroid issues that can affect weight, mood, and energy. T4, Total & T3, Free – Additional thyroid hormones that give a fuller view of thyroid function and metabolic health. Estradiol, LH, FSH – These hormones play a major role in reproductive health, menstrual cycles, fertility, and symptoms like hot flashes or irregular periods. Vitamin D – Checks for deficiency in this key vitamin that supports your bones, immune health, and mood. Ferritin – Measures iron storage in the body, which can help explain fatigue, hair thinning, or low energy. One blood draw — no referrals, no insurance required. Just clear answers, fast results, and the confidence to take control of your health. $263.50 Taxes will be calculated at checkout Buy Now

The product page for the Men's Fertility Panel for Clinical Diagnostic Laboratories. Men's Fertility Panel This test includes a semen analysis to evaluate key fertility markers such as sperm count, motility (movement), and morphology (shape). It’s a simple, lab-collected test designed to help individuals and couples better understand their reproductive health—whether you're actively trying to conceive or just planning ahead. No insurance, doctor’s order, or copay required. Results are delivered securely within 2–5 business days. Ideal for : Individuals planning for pregnancy Couples facing conception delays Anyone wanting to proactively assess reproductive health $85.00 Taxes will be calculated at checkout Buy Now

Ordering information regarding a Myeloperoxidase (MPO) Antibody test for Clinical Diagnostic Laboratories. Myeloperoxidase (MPO) Antibody Ordering Recommendation When used in conjunction with other autoantibody tests (ANCA, PR3), may aid in evaluating suspected immune-mediated vasculitis, especially microscopic polyangiitis (MPA). May be useful to monitor MPA disease and/or treatment response. Panel tests are available. For the workup of suspected vasculitis, refer to ANCA-Associated Vasculitis Profile (ANCA/MPO/PR3) (3003745 ). For patients with a history of vasculitis, refer to Myeloperoxidase (MPO) Antibody and Serine Proteinase 3 (PR3) Antibody with Reflex to Anti-Neutrophil Cytoplasmic Antibody, IgG by IFA (3003746 ). Mnemonic MPO-AB Performed Mon-Sat Methodology Semi-Quantitative Multiplex Bead Assay Reported 1-3 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: 0.2 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Plasma, urine, or other body fluids. Contaminated, hemolyzed, or severely lipemic specimens., icteric, or 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 AU/mL or less Negative 20-25 AU/mL 26 AU/mL or greater Equivocal Positive Interpretive Data Approximately 90% of patients with a P-ANCA pattern by IFA have antibodies specific for MPO. Compliance Category: FDA Note CPT Code 83516 Components Component Chart Name Myeloperoxidase (MPO) Ab, IgG Component Test Code 0050526 LOINC 6969-0 Aliases MPO MPO Ab PR3

Ordering information regarding Carbamazepine, Free and Total, Serum or Plasma for Clinical Diagnostic Laboratories. Carbamazepine, Free and Total, Serum or Plasma Ordering Recommendation Optimize drug therapy and monitor patient adherence. Methodology Quantitative Enzyme Multiplied Immunoassay Technique Performed Mon-Sat Reported 1-5 Days New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Collect: Serum Pre-dose (Trough) Draw - At a Steady State Concentration in Plain Red. Specimen Preparation: Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum to a Standard Transport Tube. (Min: 1 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Whole Blood, Citrated Plasma. Tubes that contain liquid anticoagulant.or Serum separator tube (SST). Remarks: Stability: Ambient: 5 days; Refrigerated: 5 days; Frozen: 3 months Reference Interval Test Number Components Reference Interval Total Carbamazepine Free Carbamazepine Therapeutic Range: 4.0-12.0 µg/mL Toxic Range: Greater than 15 µg/mL Therapeutic Range: 1.0-3.0 µg/mL Toxic Range: Greater than 3.8 µg/mL Percent Free Carbamazepine 8.0-35.0% Interpretive Data The therapeutic range is based on serum pre-dose (trough) draw at steady-state concentration. Free carbamazepine may be important to monitor in patients with altered or unpredictable protein binding capacity. Carbamazepine is also subject to drug-drug interactions due to displacement of protein binding and extensive metabolism. Cross-reactivity with metabolites may account for differences in carbamazepine among analytical methods. Calculating percent free attempts to minimize differences in assay cross-reactivity and may be useful in dose optimization. A rare adverse drug reaction to carbamazepine therapy includes Stevens-Johnson syndrome or toxic epidermal necrolysis. Patients of Asian ancestry with the presence of the HLA-B*15:02 have an increased risk for this carbamazepine-induced life-threatening reaction. Pharmacogenetic testing for HLA-B*15:02 is recommended for patients at risk for carbamazepine hypersensitivity prior to treatment. This information has been included in the FDA-approved label for carbamazepine (https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm) and guideline from the Clinical Pharmacogenetics Implementation Consortium (https://www.pharmgkb.org/guidelines). A combination of therapeutic drug monitoring with HLA-B*15:02 pharmacogenetics genotyping may benefit patients who are at increased risk for developing carbamazepine-induced adverse events due to rare genotypes other than HLA-B*15:02 variant allele. Note CPT Code 80156; 80157 Components Component Test Code Component Chart Name LOINC 2011768 Free Carbamazepine 3433-0 2011769 Percent Free Carbamazepine 32852-6 2011770 Total Carbamazepine 3432-2 Aliases Atretol Biston Calesin Carbamazepin, Free Carbatrol Epimaz Epitol Epitrol Equetro Finlepsin Free Carbamazepine Free Tegretol Protein Free Carbamazepine Sirtal Tegretol, Free Telesmin