--- title: What is the difference between GTIN, LGTIN and SGTIN? description: This article explains the difference between GTIN, LGTIN and SGTIN in the GS1 system of standards - identifier schemes that allow us to distinguish between products at different levels of granularity. image: https://trackvision.ai/hubfs/3-levels-short.png --- [![Group 4638](https://trackvision.ai/hs-fs/hubfs/Group%204638.png?width=150&height=20&name=Group%204638.png "Group 4638")](https://www.trackvision.ai) [![Logo-Long-Blue-On-Invis2-1](https://trackvision.ai/hs-fs/hubfs/Logo-Long-Blue-On-Invis2-1.png?width=150&height=20&name=Logo-Long-Blue-On-Invis2-1.png "Logo-Long-Blue-On-Invis2-1")](https://www.trackvision.ai) [Platform](https://trackvision.ai/platform) [![Vector-2](https://trackvision.ai/hubfs/Vector-2.svg) ![Vector-1](https://trackvision.ai/hubfs/Vector-1.svg) Platform Overview](https://trackvision.ai/platform) [![gs1 epcis2](https://trackvision.ai/hubfs/gs1%20epcis2.svg) ![gs1 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Documentation](https://docs.trackvision.ai/) back [About us](https://trackvision.ai/about) [![recall dpp](https://trackvision.ai/hs-fs/hubfs/recall%20dpp.webp?width=35&height=28&name=recall%20dpp.webp) Our Team](https://trackvision.ai/about) [![share-2](https://trackvision.ai/hubfs/share-2.svg) Our Partners](https://trackvision.ai/partners) back Regulatory Compliance [![fresh food](https://trackvision.ai/hubfs/fresh%20food.svg) FSMA Section 204 Compliance](https://trackvision.ai/solutions/fsma-204) [![pharmacy](https://trackvision.ai/hubfs/pharmacy.svg) DSCSA Compliance](https://trackvision.ai/solutions/dscsa) [![recall dpp](https://trackvision.ai/hubfs/recall%20dpp.svg) Digital Product Passports](https://trackvision.ai/solutions/dpp) [gs1](https://trackvision.ai/blog/tag/gs1) [traceability](https://trackvision.ai/blog/tag/traceability) Published: 5 December 2024 | [Jonathan Ling](https://trackvision.ai/blog/author/jonathan-ling) # What is the difference between GTIN, LGTIN and SGTIN? What is the difference between GTIN, LGTIN and SGTIN in the GS1 system of standards? These are identifier schemes that allow us to distinguish between products at different levels of granularity: "class" level, "batch" level and "item" level. A global trade item number (GTIN) by itself allows us to distinguish between *types* or *classes* of products. When you scan a barcode that contains just a GTIN, you can find out attributes common to every single product of that class, such as the price, product name, net weight, and high level ingredient list. This is often known as "master data" or "reference data", as it changes slowly and rarely. ![](https://trackvision.ai/hs-fs/hubfs/image-png.png?width=487&height=641&name=image-png.png) Combining a GTIN and a Lot Number (LGTIN) allows us to distinguish between different sets of products within a particular product type. All items within the set share a common set of attributes, but other items of the same type of product outside the set may not. Common attributes often include the day of manufacture, the location of manufacture, and the input ingredient batches that were consumed in the manufacturing of this set of products. ![](https://trackvision.ai/hs-fs/hubfs/image-png-1.png?width=509&height=649&name=image-png-1.png) Combining a GTIN and a Serial ID (SGTIN) allows us to recognise a unique product item, separate from all others. From a data perspective, we could store exact attributes that apply to this unique item and may not apply to any other. This technique is often called "serialization". It is used in pharmaceutical industries to combat counterfeiting, as well as high value machinery and electronics.  It can provide a basis for unique "Digital Product Passports". ![](https://trackvision.ai/hs-fs/hubfs/image-png-2.png?width=489&height=643&name=image-png-2.png)     5 December 2024 | [Jonathan Ling](https://trackvision.ai/blog/author/jonathan-ling) share: Recommended for you [What is GS1 EPCIS 2.0?](https://trackvision.ai/blog/what-is-gs1-epcis-2.0) [What is GS1 Digital Link?](https://trackvision.ai/blog/what-is-gs1-digital-link) About the author Jonathan Ling With over 15 years experience in supply chain system integration, consulting and IT architecture, Jonathan is passionate about improving supply chain traceability and transparency through the application of open industry standards. ## Recommended reading NEW DSCSA [Case Study: How Hudson Scientific Hit Full DSCSA Compliance in 30 Days](https://trackvision.ai/blog/case-study-how-hudson-scientific-hit-full-dscsa-compliance-in-30-days) 25 August 2026 | [Curt Schacker](https://trackvision.ai/blog/author/curt-schacker) gs1 dpp [DPP in 2028: What Apparel Brands Need to Build Before the Deadline](https://trackvision.ai/blog/dpp-in-2028-what-apparel-brands-need-to-build-before-the-deadline) 17 August 2026 | [Curt Schacker](https://trackvision.ai/blog/author/curt-schacker) digital-link gs1 natural-trace [Full-Spectrum Product Authentication: Combining QR codes and Natural DNA tagging to fight food fraud](https://trackvision.ai/blog/full-spectrum-product-authentication-combining-qr-codes-and-natural-dna-tagging-to-fight-food-fraud) 10 June 2026 | [Jonathan Ling](https://trackvision.ai/blog/author/jonathan-ling) ## Get ahead with TrackVision updates Join our newsletter today and don't miss out on the opportunity to be part of a community driving innovation in tracking technology. 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