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Optimised Medical Supplies Ltd

UK supplier of medical equipment, PPE, surgical supplies and specialist medical transport.

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© 2026 Optimised Medical Supplies Ltd. All rights reserved.
Registered in England & Wales, company no. 14185351.

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    1. Home
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    4. Sharps Bins Explained: Sizes, Lid Colours and When to Use Each

    Product Spotlights

    Sharps Bins Explained: Sizes, Lid Colours and When to Use Each

    What the different sharps container lid colours mean under UK guidance, how to size a bin for your setting, and the fill and closure rules that keep you compliant.

    OMS Clinical Team

    Product Specialists

    21 July 20265 min read
    Sharps containers in three sizes on a clinical surface

    Sharps containers are colour coded by what goes in them, and the colour is not decorative — it determines the disposal route and the treatment the waste receives. Choosing the wrong lid colour is a segregation failure that shows up in a waste audit.

    Sharps containers in small, medium and large sizes
    Sharps containers in small, medium and large sizes

    What the lid colours mean

    The colour code follows HTM 07-01, the Department of Health guidance on the safe management of healthcare waste.

    Lid colourContentsDisposal route
    OrangeSharps not contaminated with medicinal productsTreatment then disposal
    YellowSharps contaminated with medicinal productsIncineration
    PurpleSharps contaminated with cytotoxic or cytostatic medicinesIncineration at a permitted facility
    BlueMedicinal waste including unused medicinesIncineration

    Sizing the container

    The right size is the one that fills within its safe standing time. An oversized bin in a low-use room sits part-filled for months; an undersized bin in a busy treatment room gets overfilled, which is the single most common sharps finding in inspections.

    • 0.5–1L — community and domiciliary visits, phlebotomy trays
    • 2–5L — treatment rooms, dental surgeries, small clinics
    • 7–12L — busy clinical areas and shared procedure rooms
    • 20L+ — theatres, high-throughput departments
    A yellow sharps container with an orange lid at a clinical point of use
    A yellow sharps container with an orange lid at a clinical point of use

    The rules that matter in practice

    1. Assemble the container correctly — an unseated lid is the most common failure
    2. Label the container with the location and date on assembly
    3. Never fill above the marked fill line, normally three quarters full
    4. Use the temporary closure between uses to prevent spillage
    5. Close permanently, sign and date before collection
    6. Store awaiting collection in a secure area away from public access
    A sharps bin filled past the line cannot be closed safely — and the person who discovers that is the person emptying it.
    OMS Clinical Team

    Placement

    Containers should be as close to the point of use as is safe — a sharp carried across a room is a sharp that can injure someone. In settings where children or vulnerable adults are present, use wall brackets to keep containers out of reach without putting them out of easy reach for staff.

    ···

    Optimised Medical Supplies stocks UN-approved sharps containers from 0.5L to 22L with orange, yellow, purple and blue lids. Order before 4pm for next-day dispatch on stocked lines.

    Frequently asked questions

    What do sharps bin lid colours mean?
    Under HTM 07-01, orange is for sharps not contaminated with medicinal products, yellow for sharps contaminated with medicines, purple for cytotoxic and cytostatic contaminated sharps, and blue for medicinal waste.
    How full can a sharps container be?
    Never above the marked fill line, which is normally around three quarters full. Overfilling prevents safe permanent closure and is a common inspection finding.
    What size sharps bin do I need?
    Choose the size that fills within its safe standing time — roughly 0.5 to 1L for community visits, 2 to 5L for treatment rooms, 7 to 12L for busy clinical areas and 20L or more for theatres.
    All resources

    On this page

    • What the lid colours mean
    • Sizing the container
    • The rules that matter in practice
    • Placement

    From our catalogue

    Sharps bins

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    Sharpsafe™ Scottish Cyto Sharps Bin - 0.6L

    Sharpsafe™ Scottish Cyto Sharps Bin - 0.6L

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    Delivery as soon as Thursday 29 October

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    Sharpsafe™ Scottish Cyto Sharps Bin - 30L

    Sharpsafe™ Scottish Cyto Sharps Bin - 30L

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    Sharpsafe™ Scottish Orange Sharps Bin - 30L

    Sharpsafe™ Scottish Orange Sharps Bin - 30L

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    Delivery as soon as Thursday 29 October

    £342.60

    Inc. VAT

    Sharpsafe™ Scottish Pharmi Sharps Bin - 1L

    Sharpsafe™ Scottish Pharmi Sharps Bin - 1L

    In Stock

    Delivery as soon as Thursday 29 October

    £370.16

    Inc. VAT