Blogs
March 23, 2026 / March 23, 2026 by Gina Breckenridge
Hospitals rely on technology to improve medication tracking, optimize pharmacy operations, and maintain regulatory compliance. Two common technologies used for medication management are 2D (or DataMatrix) barcode scanning and Radio Frequency Identification (RFID). While both systems support medication inventory management, they operate differently and offer distinct advantages depending on how medications need to be managed within a hospital.
Radio Frequency Identification (RFID) technology uses small electronic tags (smaller than two inches) attached to or embedded within medications. These tags store important product information and communicate wirelessly with RFID readers.
In hospital settings, RFID tagging is often used for high-value or critical medications, such as narcotics, biologics, and specialty drugs used in areas like oncology or clinics.
Each RFID tag can store standardized product data aligned with GS1 traceability standards and Drug Supply Chain Security Act (DSCSA) regulations, including:
Unlike barcode scanning, RFID readers can detect tagged medications in bulk and do not require direct line-of-sight scanning. This allows pharmacy and clinical teams to scan hundreds of medications included in trays, kits, or temperature-controlled cabinets in seconds while automatically identifying:
The goal of RFID-enabled medication management in healthcare is to provide accurate item-level visibility into medication inventory while reducing the time staff spend performing manual inventory checks and replenishment tasks.
2D Barcode Medication Administration (BCMA) systems are widely used across healthcare environments for medication verification and inventory tracking. Barcode technology in healthcare is most commonly used for point-in-time verification, such as confirming the correct medication during dispensing or bedside administration.
These systems rely on scanners that read printed barcodes on medication packaging. Each medication must be scanned individually, requiring manual, line-of-sight scanning.
Barcode scanning can be highly accurate at the moment the scan occurs. However, its effectiveness depends on environmental and workflow conditions, such as:
If the above factors are present, clinicians may be forced to find a workflow workaround that can negatively impact data accuracy. For example, barcode readers may not perform as well when scanning IV bags due to the liquid contents, as the bags can be curved, causing labels to wrinkle and decrease readability. Keep in mind that most barcode labels are made from paper, which means they are subject to deterioration due to condensation or storage conditions.
While barcode systems significantly improve safety compared with paper-based inventory documentation, they still rely on consistent human behavior and manual scanning practices.
One of the key differences between RFID and barcode systems is how they support regulatory compliance. It’s important to note that some 2D barcode systems do not include important traceability information such as drug lot numbers or expiry dates.
RFID tags can easily store standardized data elements—including GTIN, lot number, expiration date, and NDC—which align with GS1 traceability standards for data exchange and DSCSA regulatory requirements.
Because this information is embedded in the RFID tag, it can be automatically read by compatible RFID infrastructure throughout a health system.RFID systems provide automated visibility into medication inventory at key workflow points (e.g., automated dispensing cabinets, OR and emergency trays, replenishment, and reconciliation), which can be critical during an audit or drug recall.
For hospital pharmacy, operating room, and other clinical teams, the most practical difference between RFID and barcoding is workflow.
Barcode systems are primarily designed for verification at a specific moment, such as during medication dispensing or bedside administration, while RFID systems enable visibility and automation, allowing pharmacies to:
These capabilities can help reduce manual inventory work while improving medication visibility across departments and points of care. Additionally, the 2025 State of Pharmacy Automation Update by Pharmacy Purchasing & Products shows that as of 2025, 34% of healthcare facilities use RFID to track medication inventory, up from just 15% in 2018. This steady growth demonstrates that RFID technology in healthcare isn’t a fleeting trend. Rather, it is becoming the future of medication management for health systems looking to move beyond manual processes.
When comparing RFID and barcode healthcare technology options, the key distinction is how each system captures and delivers medication data. And more importantly, if that data can be trusted by clinical leaders to make more confident decisions about par levels and purchasing.
Barcode systems can accurately confirm and verify medications when someone scans them, while RFID systems identify medications and their status (and location) without requiring manual scans. For hospital pharmacies managing complex medication inventories and higher volumes, the difference between manual verification and automated, real-time visibility can significantly impact operational efficiency. Choosing between RFID and barcode technology comes down to whether a health system needs moment-in-time verification—or a more connected, automated approach that delivers continuous visibility at points of care, higher levels of accuracy, and greater operational efficiency across the entire medication management lifecycle.
Is active or passive RFID used for medication management?There are two types of RFID technology tracking systems used within health systems: active and passive. For medication management, passive RFID is typically used. Passive RFID technology does not require a large battery pack. Instead, passive RFID tags rely on a reader and an antenna to collect and transfer location information. Once drugs are RFID-tagged and encoded, healthcare providers can track them across workflow points, including the operating room, specialty off-site clinics, and even satellite pharmacies.
Is Real-Time Location Services (RTLS) the same as passive RFID?No, these are different ways to track items. RTLS is defined as “active RFID” and can track patients, hospital equipment (such as beds or IV pumps), and other critical inventory (ventilators, wheelchairs, portable equipment) in real time as they move throughout a facility, similarly to how GPS tracks a car as it moves along the road. With RTLS, the items don’t need to be near a reader for their locations to be accurately identified. However, with passive RFID, tagged medications or other items must be within a certain distance of the reader to be scanned.
What’s the difference in accuracy between barcode and RFID?RFID is generally considered more accurate than barcode scanning for medication inventory management because it reduces reliance on manual processes. Barcode systems can be highly accurate at the moment of scanning, but only if every item is scanned correctly and consistently. Factors such as damaged labels, poor lighting, or missed scans can affect accuracy. In contrast, RFID automatically identifies and tracks medications in bulk, without line-of-sight scanning, helping reduce human error and providing more consistent, real-time inventory accuracy across workflows and care locations.