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Ordering information regarding Clozapine for Clinical Diagnostic Laboratories. Creatinine, Serum or Plasma Ordering Recommendation Screening test to evaluate kidney function. Methodology Quantitative Enzymatic 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: Plasma separator tube or serum separator tube. Specimen Preparation: Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to a standard transport tube. (Min: 0.2 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Specimens obtained through catheters used to infuse hyperalimentation fluid. Specimens with potassium oxalate/sodium fluoride, citrate, or EDTA as anticoagulants. Remarks: Stability: After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 3 months Reference Interval By Report Interpretive Data Note Assay interference (negative) may be observed when high concentrations of N-acetylcysteine (NAC) are present. Negative interference has also been reported with NAPQI (an acetaminophen metabolite) but only with concentrations at or above those expected during acetaminophen overdose. CPT Code 82565 Components Component Test Code Component Chart Name LOINC 0020025 Creatinine, Serum or Plasma 2160-0 3004293 UH EGFR Aliases Blood Creatinine Serum Creatinine

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

Clinical Diagnostic Laboratories provides fast, reliable lab testing for Skilled Nursing Facilities in the DMV area. From routine blood work to infectious disease panels, mobile phlebotomy, and customized testing solutions, we help nursing homes deliver better resident care. Why You Should Choose Clinical Diagnostic Laboratories FAST TURNAROUND TIMES Get results within 24–48 hours, helping your nursing home make faster, informed care decisions. CUSTOMIZED TESTING PANELS We design testing panels tailored to your residents’ unique needs, ensuring the right answers every time. MOBILE PHLEBOTOMY Our skilled team comes directly to your facility, reducing stress for residents and saving staff valuable time. HIPAA COMPLIANT We safeguard all patient information with the highest standards of security and confidentiality. REGULATORY COMPLIANCE CDL meets all federal and state regulations, giving your facility peace of mind and audit-ready confidence. DEDICATED ACCOUNT MANAGER Every partner receives a dedicated account manager to ensure smooth communication and personalized support. SIMPLE REPORTING Our clear, easy-to-read reports help your staff make confident care decisions without confusion. EASY TO ACCESS PATIENT PORTAL Residents and providers can securely view results anytime through our convenient online portal. Lab Testing Designed for Skilled Nursing Facilities To play, press and hold the enter key. To stop, release the enter key. Experience Expert Lab Testing Services Whether your Skilled Nursing Facility requires routine blood work or advanced infectious disease testing, Clinical Diagnostic Laboratories is here to support you. Contact us today to schedule a consultation or explore our full range of services. Contact Us

Ordering information regarding a food allergy panel for Clinical Diagnostic Laboratories. Allergens, Food, Common Adult Food IgE Ordering Recommendation Mnemonic FOOD ADULT Performed Sat-Sun Methodology Quantitative ImmunoCAP Fluorescent Enzyme Immunoassay Reported 1-3 Days New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Multiple patient encounters should be avoided. Collect: Serum separator tube. Multiple specimen tubes should be avoided. Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 2.25 mL serum to a Standard Transport Tube. (Min: 1.04 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Hemolyzed, icteric, or lipemic specimens. Remarks: Stability: After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year Reference Interval Test Number Components Reference Interval Immunoglobulin E Age Reference Interval (kU/L) 0-5 months 13 or less 6-12 months 34 or less 1-2 years 97 or less 3 years 199 or less 4-6 years 307 or less 7-8 years 403 or less 9-12 years 696 or less 13-15 years 629 or less 16-17 years 537 or less 18 years and older 214 or less Less than or equal to 0.34 kU/L Less than or equal to 0.34 kU/L Allergen, Food, Egg White IgE Allergen, Food, Milk (Cow) IgE Less than or equal to 0.34 kU/L Less than or equal to 0.34 kU/L Less than or equal to 0.34 kU/L Less than or equal to 0.34 kU/L Allergen, Food, Peanut IgE Allergen, Food, Shrimp IgE Allergen, Food, Soybean IgE Allergen, Food, Wheat IgE Less than or equal to 0.34 kU/L Less than or equal to 0.34 kU/L Allergen, Food, Codfish IgE Allergen, Food, Corn IgE Less than or equal to 0.34 kU/L Less than or equal to 0.34 kU/L Allergen, Food, Walnut (Juglans spp) IgE Allergen, Food, Clam IgE Less than or equal to 0.34 kU/L Allergen, Food, Scallop IgE Reference Interval Allergen results of 0.10-0.34 kU/L are intended for specialist use as the clinical relevance is undetermined. Even though increasing ranges are reflective of increasing concentrations of allergen-specific IgE, these concentrations may not correlate with the degree of clinical response or skin testing results when challenged with a specific allergen. The correlation of allergy laboratory results with clinical history and in vivo reactivity to specific allergens is essential. A negative test may not rule out clinical allergy or even anaphylaxis. Reporting Range (reported in kU) Class Scoring Probability of IgE Mediated Clinical Reactionported in kU) Less than 0.10 No significant level detected 0 0.10-0.34 Clinical relevance undetermined 0/1 0.35-0.70 Low 1 0.71-3.50 3.51-17.50 Moderate High 2 3 17.51-50.00 Very High 4 50.01-100.00 Very High 5 Greater than 100.00 Very High 6 Compliance Category: FDA Note Allergens included in this panel: Clam, Egg White, Codfish/Whitefish, Corn, Milk (Cow's), Peanut, Shrimp, Scallop, Soybean, Walnut, Wheat, and IgE Serum Total CPT Code 86003 x11; 82785 Components Component Test Code Component Chart Name LOINC 19113-0 Allergen, Food, Egg White IgE Allergen, Food, Peanut IgE Allergen, Food, Shrimp IgE Allergen, Food, Milk (Cow) IgE 6106-9 7258-7 6206-7 6246-3 Immunoglobulin E 0050345 0055013 0055020 0055024 0055030 Allergen, Food, Soybean IgE Allergen, Food, Wheat IgE 6248-9 6276-0 0055031 0055034 Allergen, Food, Codfish IgE Allergen, Interp, Immunocap Score IgE 6082-2 33536-4 0055036 0055041 Allergen, Food, Corn IgE Allergen, Food, Walnut (Juglans spp) IgE 6087-1 33536-4 0055078 0055209 Allergen, Food, Clam IgE Allergen, Food, Scallop IgE 6076-4 7691-9 0099488 0099495

Ordering information regarding an ACTH test for Clinical Diagnostic Laboratories. ACTH by Immunohistochemistry Ordering Recommendation Mnemonic Methodology Immunohistochemistry Performed Mon-Sat Reported 1-3 days New York DOH Approval Status This test is New York DOH approved. Specimen Required Patient Preparation: Formalin fix (10 percent neutral buffered formalin) and paraffin embed specimen (cells must be prepared into a cellblock). Protect paraffin block and/or slides from excessive heat. Transport tissue block or 5 unstained (3- to 5-micron thick sections), positively charged slides in a tissue transport kit Collect: Tissue or Cells Specimen Preparation: After drawing blood into an EDTA tube, label it with the patient's details. Keep the specimen at room temperature (15-30°C) if transporting within a few hours. For longer transport, place it in a biohazard bag within a cooler with ice packs, maintaining 2-8°C. Deliver it to the lab within 24 hours. Storage/Transport Temperature: Room temperature or refrigerated. Ship in cooled container during summer months. Unacceptable Conditions: Specimens submitted with non-representative tissue type. Depleted specimens. Remarks: Stability: Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable Reference Interval Components Available Separately Reference Interval Interpretive Data Note This test is performed as a stain and return (technical) service only. CPT Code 88342 Components Component Test Code 2003428 2003429 Component Chart Name ACTH by IHC LOINC ACTH Reference Number 94736-6 Aliases ACTH ACTH Antibody Staining ACTH by IHC

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Ordering information regarding an HPV Self Collection Screen for Clinical Diagnostic Laboratories. HPV Self-Collection Screening (HPV-SCS) Ordering Recommendation The HPV Cervical Cancer Self-Collection Test is a highly sensitive screening tool that enables patients to collect their own vaginal sample using an FDA-approved device. After collection, the specimen is processed using advanced nucleic acid amplification methods (typically PCR-based) to qualitatively detect high-risk HPV DNA associated with cervical cancer. This self-collected approach offers comparable diagnostic accuracy to traditional clinician-collected samples while minimizing discomfort and barriers associated with pelvic examinations, making it an effective option for early detection and timely clinical follow-up. Mnemonic HPV Self-Collection Screening (HPV-SCS) Methodology The specimen is processed using nucleic acid amplification techniques (generally PCR-based methods) to qualitatively detect the presence of high-risk HPV DNA. Performed Mon-Sat Reported Within 3-5 days Specimen Required Patient Preparation: Collect: Wash your hands and remove the sterile self-collection device before gently inserting it into the vagina up to the indicated marker. Rotate the device 2–3 times as instructed to collect an adequate sample, then carefully withdraw it. Refrain from douching, using intravaginal medications, or applying topical agents for at least 48 hours prior to collection. • Avoid sexual intercourse for 24–48 hours before sample collection. • If menstruating, confirm with the provider whether sample collection should be postponed until menses have ceased. Specimen Preparation: Immediately place the collection device into the provided vial containing the appropriate viral transport medium. Secure the vial cap tightly and gently invert the vial to mix the specimen with the medium. Ensure that the specimen is labeled accurately with patient identification and collection date/time. Storage/Transport Temperature: Maintain at 2–8°C during storage and transport. Avoid freezing unless the test kit instructions specifically allow it. Prompt transport to the laboratory is advised to maintain sample integrity. Unacceptable Conditions: Specimens that are unlabeled or improperly labeled. Inadequate sample volume or insufficient cellular material. Contaminated samples (e.g., with menstrual blood or external substances) beyond acceptable limits. Specimens showing leakage or compromised container integrity. Samples exposed to temperatures outside the recommended range prior to processing Remarks: Specimen source required. Stability: Reference Interval Negative Interpretive Data A positive result should be correlated with clinical history and may necessitate additional diagnostic procedures. Careful patient education on follow-up steps and interpretation of results is essential. This test should be used as a screening tool only; abnormal findings must be evaluated in conjunction with other clinical assessments. Note CPT Code 87624 Aliases HPV Cervical Cancer Self-Collection Self-Collected HPV Test HPV DNA Test (Self-Collected) Cervical HPV Self-Sampling

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

Ordering information regarding a Deamidated Gliadin Peptide (DGP) Antibody, IgG test for Clinical Diagnostic Laboratories. Deamidated Gliadin Peptide (DGP) Antibody, IgG Ordering Recommendation Acceptable single screening test for celiac disease. IgA testing recommended to identify IgA deficiency. Use IgG test in individuals who are IgA deficient. May be useful in diagnosing children <2 years who test negative for tTG and EMA antibodies. May aid in monitoring adherence to gluten-free diet. Celiac Disease Reflexive Cascade (2008114 ) or Tissue Transglutaminase (tTG) Antibody, IgG (0056009 ) is the preferred test for screening patients with suspected celiac disease. 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: Separate serum from cells ASAP or within 2 hours of collection. Transport 0.5 mL serum. (Min: 0.3 mL) Storage/Transport Temperature: Refrigerated Unacceptable Conditions: Plasma or other body fluids. Contaminated, hemolyzed, grossly icteric, or grossly lipemic specimens. Remarks: Stability: After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year Reference Interval 19 Units or less 20-30 Units Negative Weak Positive 31 Units or greater Positive Interpretive Data Note CPT Code 86258 Components Component Chart Name Deamidated Gliadin Peptide (DGP) Ab, IgG Component Test Code 0051359 LOINC 63459-2 Aliases Celiac Disease Antibodies Deamidated Gliadin Antibodies (DGP) Deaminated Gliadin Peptide Antibodies DGP DGP Ab DGP IgA

Ordering information regarding a Basic Metabolic Panel test for Clinical Diagnostic Laboratories. Basic Metabolic Panel Ordering Recommendation 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: Plasma separator tube, or serum separator tube SST 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: Specimens collected in EDTA, citrate, or oxalate. 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 weeks Reference Interval Components Available Separately Reference Interval By report (reports may vary based on instrumentation) Interpretive Data Note his panel includes: Calcium, Serum or Plasma (0020027), Carbon Dioxide, Serum or Plasma (0020004), Chloride, Serum or Plasma (0020003), Creatinine, Serum or Plasma (0020025), Glucose, Serum or Plasma (0020024), Potassium, Plasma or Serum (0020002), Sodium, Plasma or Serum (0020001), and Urea Nitrogen, Serum or Plasma (0020023). CPT Code 80048 Components Component Test Code Component Chart Name LOINC 0020001 Sodium, Serum or Plasma 2951-2 0020002 Potassium, Serum or Plasma 2823-3 0020003 Chloride, Serum or Plasma 2075-0 0020004 Potassium, Serum or Plasma 2028-9 0020023 Urea Nitrogen, Serum or Plasma 3094-0 0020024 Glucose, Serum or Plasma 2345-7 0020025 Creatinine, Serum or Plasma 2160-0 0020027 0020396 Calcium, Serum or Plasma Anion Gap 17861-6 33037-3 3004293 UH EGFR Aliases C12 Chem 12 Chemistry Panel Chemistry Screen CMP SMA 12 SMA 20 SMAC