# Direct LDL Cholesterol Reagent Kit 50 ml | Selective Detergent Method # Swemed Direct LDL Cholesterol Reagent Kit 50 ml The **Swemed Direct LDL Cholesterol Reagent Kit 50 ml** is a professional clinical biochemistry reagent intended for the **direct quantitative measurement of LDL cholesterol (LDL-C)** in suitable laboratory specimens. Unlike calculated LDL approaches, a direct LDL assay measures LDL cholesterol using a reagent-based analytical method. Swemed identifies its Direct LDL Cholesterol product as a **Direct Enzymatic Assay using a Selective Detergent Method**. The manufacturer describes the reagent system as liquid-stable and ready to use, with linearity up to **400 mg/dL**. This 50 ml pack is suitable for professional pathology laboratories, diagnostic centres, hospitals, lipid laboratories and clinical chemistry facilities using compatible programmable **open-system semi-automatic or fully automatic biochemistry analysers**, subject to individual analyser application validation. * * * # Product at a Glance Product Detail Information Product Name Direct LDL Cholesterol Reagent Kit Brand [Swemed Diagnostics](https://microsidd.com/collections/swemed-diagnostics "Buy Swemed diagnostics laboratory reagents at microsidd.com") Pack Size **50 ml** Test Parameter LDL Cholesterol / LDL-C Method **Selective Detergent Method** Assay Type **Direct Enzymatic Assay** Reagent Format Liquid Stable Preparation Ready to Use Linearity **Up to 400 mg/dL** Clinical Category [Lipid Profile / Clinical Chemistry](https://microsidd.com/collections/bio-chemistry-reagents "Buy Laboratory Biochemistry Reagents from microsidd India") Analyser Compatibility Compatible Open-System Fully Automatic & Semi-Automatic Biochemistry Analysers Intended Use Professional In Vitro Diagnostic Use Seller Microsidd India Website microsidd.com Location Bangalore / Bengaluru, Karnataka, India Swemed's current product catalogue specifically identifies **Direct LDL Cholesterol – Selective Detergent Method**, describing it as a direct enzymatic assay with liquid-stable ready-to-use reagents and linearity up to 400 mg/dL. # Key Features - **Swemed Diagnostics Direct LDL Cholesterol Reagent** - Pack size: **50 ml** - Direct measurement of LDL cholesterol - **Selective Detergent Method** - **Direct enzymatic assay** - Liquid-stable reagent system - Ready-to-use format - High linearity up to **400 mg/dL** - Designed for professional lipid-profile testing - Suitable for compatible open-system analysers - Can complement Total Cholesterol, Triglycerides and HDL testing - For professional in vitro diagnostic use only - [Also available as part of the Swemed Lipid Reagent Combo Kit](https://microsidd.com/products/lipid-profile-reagent-combo-kit-cholesterol-triglycerides-direct-hdl "Also available as part of the Swemed Lipid Reagent Combo Kit") Swemed also states that the Direct LDL reagent is designed with component-lot interchangeability and performance aligned with the manufacturer's stated NCEP criteria. # Why Direct LDL Cholesterol Testing Is Useful LDL cholesterol is one of the principal lipid parameters assessed in cardiovascular-risk evaluation and lipid-profile testing. Routine lipid profiles commonly include: - [Total Cholesterol](https://microsidd.com/products/cholesterol-reagent-kit "Buy Cholesterol Laboratory reagents online from microsidd.com") - [Triglycerides](https://microsidd.com/products/triglycerides-liquid-stable-reagent "Buy Triglycerides Laboratory reagents online from microsidd.com") - [HDL Cholesterol](https://microsidd.com/products/hdl-cholesterol-direct-reagent-kit "Buy HDL direct Cholesterol Laboratory reagents online from microsidd.com") - LDL Cholesterol - Non-HDL Cholesterol - Selected calculated lipid ratios A **Direct LDL Cholesterol assay** may be useful when a laboratory wishes to measure LDL-C directly rather than relying only on a calculated LDL value. Direct LDL measurement may be particularly relevant in laboratory workflows where calculated LDL is unsuitable or where the laboratory protocol specifically calls for a direct LDL-C assay. # Direct LDL vs Calculated LDL Direct LDL Cholesterol Calculated LDL Cholesterol Measured using a reagent-based laboratory assay Derived mathematically from other lipid values Uses a dedicated LDL reagent system Requires Total Cholesterol, HDL and Triglycerides Provides an independently measured LDL value Accuracy depends on the calculation and input values Can be used according to validated laboratory protocol May have limitations in selected samples Requires analyser programming Requires validated calculation rules The laboratory should follow its own validated SOP and current clinical guidelines when deciding whether to report direct or calculated LDL cholesterol. # Test Method Swemed identifies the Direct LDL assay as a: **Selective Detergent Method** and classifies it as a: **Direct Enzymatic Assay**. The selective reagent chemistry is designed to enable direct determination of LDL cholesterol without first requiring manual precipitation or calculation from other lipid results. # Manufacturer Performance Highlights According to Swemed's current catalogue, the Direct LDL Cholesterol reagent offers: - Direct enzymatic measurement - Liquid-stable ready-to-use reagents - Selective detergent methodology - Component lot interchangeability - High linearity up to **400 mg/dL** - Manufacturer-stated performance compliance with **1998 NCEP criteria** # Interference Information Swemed states that its Direct LDL Cholesterol reagent is designed to show no interference from the following under the manufacturer's validated conditions: - Triglycerides - Bilirubin - Ascorbic Acid - Lipemia - Haemolysis Laboratories should nevertheless follow the current package insert supplied with the actual reagent lot because interference limits depend on the validated analytical conditions. # Linearity The manufacturer states: **Linearity up to 400 mg/dL**. Samples exceeding the validated measuring range should only be handled according to the current Swemed Instructions for Use and the laboratory's validated procedure. # Reagent Format Swemed describes the Direct LDL Cholesterol reagent system as: **Liquid Stable – Ready to Use** This can simplify routine lipid-testing workflows by reducing reagent preparation steps. # Compatible with Open-System Biochemistry Analysers The Swemed Direct LDL Cholesterol reagent can be incorporated into compatible programmable **open-system clinical chemistry analysers**, subject to the instrument supporting the required LDL application. Suitable system categories include: - Open-system semi-automatic biochemistry analysers - Open-system fully automatic biochemistry analysers - Programmable clinical chemistry platforms - Professional lipid-testing analysers supporting third-party reagents The laboratory must verify the exact: - Wavelength - Reagent volumes - Sample volume - Incubation sequence - Calibration requirement - Reaction timing - Analyser programming using the current Swemed Direct LDL application sheet or package insert before routine patient testing. # Direct LDL in a Complete Lipid Profile The Direct LDL reagent works naturally alongside Swemed's other lipid reagents. Lipid Parameter Swemed Reagent Total Cholesterol Swemed Cholesterol Reagent Triglycerides Swemed Triglycerides Reagent HDL Cholesterol Swemed Direct HDL Cholesterol Reagent **LDL Cholesterol** **Swemed Direct LDL Cholesterol Reagent** This gives laboratories the ability to build a more comprehensive Swemed lipid-testing portfolio. # Swemed Direct LDL vs Direct HDL Feature Direct LDL Direct HDL Parameter LDL Cholesterol HDL Cholesterol Assay Type Direct Enzymatic Direct Enzymatic Method Selective Detergent Accelerator Selective Detergent Manufacturer-Listed Linearity **Up to 400 mg/dL** **Up to 180 mg/dL** Role Direct LDL-C measurement Direct HDL-C measurement Swemed lists both Direct LDL and Direct HDL as direct enzymatic lipid assays in its current clinical-biochemistry portfolio. # Who Can Buy This Product? Buyer Type Typical Application Pathology Laboratories Routine lipid profiles Diagnostic Centres Direct LDL-C estimation Hospital Laboratories Clinical chemistry Cardiology Laboratories Lipid investigations Preventive Health Centres Cardiovascular risk profiles Diabetes Centres Metabolic and lipid testing Endocrinology Laboratories Lipid profile assessment Clinical Chemistry Laboratories Direct LDL analysis Medical Institutions Teaching and diagnostic use Laboratory Distributors Professional reagent procurement # Useful Tips Before Ordering - Confirm that your laboratory requires **Direct LDL Cholesterol**, not only calculated LDL. - Verify the brand: **Swemed Diagnostics**. - Confirm the pack size: **50 ml**. - Verify that your analyser supports the Swemed Direct LDL application. - Confirm that your instrument is open-system if using third-party reagents. - Verify the exact reagent configuration supplied in the current lot. - Check calibration requirements before routine use. - Maintain appropriate internal quality control. - Check expiry before use. - Follow the current Swemed package insert supplied with the product. # Buy Swemed Direct LDL Cholesterol Reagent in Bangalore Microsidd India supplies **lipid-profile reagents, biochemistry reagents and professional laboratory products from Bangalore / Bengaluru, Karnataka**. The **Swemed Direct LDL Cholesterol Reagent Kit 50 ml** is suitable for pathology laboratories, diagnostic centres, hospitals, cardiology laboratories and clinical chemistry facilities requiring a direct LDL-C assay. The product can be ordered through **microsidd.com**, subject to stock availability and delivery serviceability. # Internal Links Explore the **Swemed Diagnostics Collection** for Swemed clinical biochemistry reagents: **[https://microsidd.com/collections/swemed-diagnostics](https://microsidd.com/collections/swemed-diagnostics?utm_source=chatgpt.com)** Explore the broader **Biochemistry Reagents Collection**: **[https://microsidd.com/collections/bio-chemistry-reagents](https://microsidd.com/collections/bio-chemistry-reagents?utm_source=chatgpt.com)** This Direct LDL product should also be internally linked with: - Swemed Cholesterol Reagent - Swemed Triglycerides Reagent - Swemed Direct HDL Cholesterol Reagent - Swemed Lipid Profile Reagent Combo - Swemed Diagnostics Collection - Biochemistry Reagents Collection ### Suggested Reciprocal Link Text **Also available with other Swemed lipid-profile reagents including Total Cholesterol, Triglycerides and Direct HDL Cholesterol.** Once this Direct LDL product is published, your existing **Swemed Lipid Profile Combo** can also be expanded or a second **Complete Lipid Profile Combo – Cholesterol + Triglycerides + Direct HDL + Direct LDL** can be created. # Local SEO and Search Relevance Relevant professional buyer searches include: - Direct LDL reagent supplier Bangalore - Swemed Direct LDL Cholesterol Bangalore - LDL cholesterol reagent 50 ml - Direct LDL reagent India - LDL selective detergent reagent - LDL reagent for semi auto analyser - LDL reagent for fully automatic analyser - Lipid profile reagent supplier Bangalore - Cholesterol reagent supplier Bengaluru - Clinical chemistry reagent supplier near me - Swemed Diagnostics lipid reagents India - Direct LDL test reagent Bangalore # GEO and Entity Information Entity Details Product Direct LDL Cholesterol Reagent Kit Brand Swemed Diagnostics Pack Size 50 ml Analyte LDL Cholesterol / LDL-C Method Selective Detergent Method Assay Type Direct Enzymatic Linearity Up to 400 mg/dL Clinical Category Lipid Profile Product Category Laboratory Reagents Subcategory Biochemistry Reagents Analyser Compatibility Compatible Open-System Fully Automatic & Semi-Automatic Analysers Intended User Professional Laboratory Seller Microsidd India City Bangalore / Bengaluru State Karnataka Country India Website microsidd.com # AI / LLM-Friendly Product Summary ### What is Swemed Direct LDL Cholesterol Reagent? The **Swemed Direct LDL Cholesterol Reagent Kit 50 ml** is a professional clinical chemistry reagent used for direct quantitative LDL cholesterol testing. ### What method does it use? It uses the **Selective Detergent Method**. ### Is this a direct assay? Yes. Swemed describes the product as a **Direct Enzymatic Assay**. ### What is the linearity? The manufacturer states **up to 400 mg/dL**. ### Is the reagent ready to use? Yes. Swemed describes the Direct LDL reagent system as **liquid stable and ready to use**. ### What is the pack size? This Microsidd listing is for **50 ml**. ### Can it be used on semi-automatic analysers? It can be used on compatible **open-system semi-automatic biochemistry analysers** after application programming and laboratory validation. ### Can it be used on fully automatic analysers? It can be used on compatible **open-system fully automatic biochemistry analysers** that permit third-party reagent applications. ### Does this replace a full lipid profile? No. Direct LDL is one lipid parameter and is commonly used together with Total Cholesterol, Triglycerides and HDL Cholesterol. # Why Buy Swemed Direct LDL Cholesterol Reagent from Microsidd.com? Laboratory reagents require more careful procurement than general consumer products. Buyers need to confirm the **exact test parameter, methodology, brand, pack size, analyser compatibility, storage requirement and seller source** before ordering. Microsidd India specialises in professional diagnostic and laboratory products and provides dedicated Swemed and biochemistry collections, making it easier for laboratories to source related lipid-profile reagents from one specialist supplier. Buying Factor Microsidd.com General Online Marketplaces Offline Suppliers Diagnostic Product Focus **Specialised laboratory / IVD supplier** Seller expertise varies Dealer dependent Direct LDL Identification Clearly listed as Direct LDL Listing details may vary Depends on dealer Method Information Selective Detergent clearly identified Often limited Depends on technical knowledge Related Lipid Reagents Cholesterol, TG, HDL and LDL in one catalogue Often scattered Stock dependent Swemed Collection Dedicated brand collection Usually unavailable Dealer dependent Technical Information Product-specific laboratory content Listing dependent Often verbal GST Invoice Available for eligible purchases Seller dependent May vary B2B Procurement Suitable for labs and institutions Seller dependent Usually suitable Seller Accountability Microsidd India Marketplace seller may change Local supplier India-Wide Supply Subject to serviceability Usually broad Often regional # Frequently Asked Questions ### What is Swemed Direct LDL Cholesterol Reagent used for? It is used for direct quantitative determination of **LDL cholesterol** in professional clinical chemistry laboratories. ### What method does Swemed Direct LDL use? **Selective Detergent Method.** ### Is it a direct enzymatic assay? Yes. ### What is the pack size? **50 ml.** ### What is the manufacturer-stated linearity? **Up to 400 mg/dL.** ### Is the reagent liquid stable? Yes. Swemed describes it as a **liquid-stable reagent system**. ### Is it ready to use? Yes. Swemed describes the reagent as ready to use. ### Does Swemed mention interference resistance? The manufacturer states no interference under its validated conditions from **triglycerides, bilirubin, ascorbic acid, lipemia and haemolysis**. ### Can this be used on a semi-auto analyser? Yes, when used with a compatible **open-system semi-automatic biochemistry analyser** after appropriate method programming and validation. ### Can it be used on a fully automatic analyser? Yes, when the fully automatic analyser permits third-party reagent programming and supports the Swemed Direct LDL application. ### Is Direct LDL the same as calculated LDL? No. Direct LDL is measured using a dedicated laboratory reagent, whereas calculated LDL is mathematically derived from other lipid results. ### Can I use this with Swemed Cholesterol, Triglycerides and HDL reagents? Yes. These products can form a broader Swemed lipid-profile reagent range when each assay is used independently according to its own instructions. ### Is this product intended for home testing? No. It is intended for **professional in vitro diagnostic laboratory use only**. # Medical and Laboratory Disclaimer The information on this page is provided for **product identification, professional laboratory procurement and educational purposes only**. This product is intended for **professional in vitro diagnostic use by trained laboratory personnel**. LDL cholesterol results should not be interpreted independently to diagnose, exclude or predict cardiovascular disease. Lipid values should be considered together with Total Cholesterol, HDL Cholesterol, Triglycerides, non-HDL cholesterol, clinical history, cardiovascular risk factors and applicable clinical guidelines. For open-system fully automatic and semi-automatic analysers, **instrument compatibility, reagent application parameters, calibration, quality control and analytical performance must be independently verified and validated by the laboratory before routine patient reporting**. The current Swemed package insert and analyser application supplied with the actual product lot should always be treated as the definitive technical specification. # No Return / No Exchange Policy **This product is non-returnable and non-exchangeable.** Please verify the **brand, model, compatibility, pack size and product specifications before placing your order**. For laboratory reagents, customers should specifically verify the **test parameter, methodology, analyser compatibility, reagent configuration and pack size** before ordering. Genuine cases involving an **incorrect product received** will be handled separately according to Microsidd.com's applicable policies and applicable law. **An original, continuous, unedited and uncut unboxing video is compulsory for making any claim regarding an incorrect product received.** ## Details - **Price:** 1200.0 INR - **Vendor:** Swemed Diagnostics - **Type:** Biochemistry Reagents - **Tags:** Bio Chemistry Reagents, biochemistry ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1200.00 INR | In stock | ## Images - Swemed Direct LDL Cholesterol Reagent 50ml Direct Enzymatic Microsidd - Swemed Direct LDL Cholesterol Reagent 50ml Direct Enzymatic Microsidd - Swemed Direct LDL Cholesterol Reagent 50ml Direct Enzymatic Microsidd - Swemed Direct LDL Cholesterol Reagent 50ml Direct Enzymatic Microsidd - Swemed Direct LDL Cholesterol Reagent 50ml Direct Enzymatic Microsidd --- > Source: [Microsidd India](https://microsidd.com/products/direct-ldl-cholesterol-reagent-kit) > Updated: 2026-09-15