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Barcode technology in healthcare

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Barcode technology in healthcare

Barcode technology in healthcare is the use of optical machine-readable representation of data in a hospital or healthcare setting.

Dating back to the 1970s, there has been a continual effort among healthcare settings to adopt barcode technology.[1] In the early 2000s, published reports began to illustrate high rates of medical error (adverse events) and the increasing costs of healthcare. As a result, the desire for barcoding technology in healthcare has grown as a realistic and applicable solution. Ranked first in 2007 and second in 2008 in the Annual Healthcare Information and Management Systems Society (HIMSS) Leadership Survey, HIMSS placed high priority on the use of barcoding technology to reduce medical errors and promote patient safety.[2][3]

Applications

Barcoding in healthcare have a variety of applications, including the following:

Drug Identification & Medication Management

On February 2004, the U.S. Food and Drug Administration (FDA) had ruled that barcodes must be used on certain human drugs.[4][5] Barcodes must be linear in nature and must be readable by barcode scanners. Medication barcodes must have specified information for drug identification. Barcode information on these items must include the National Drug Code (NDC) number of the drug, a 10-character identification number for the medication. The NDC contains the name of the medication, dosage and drug company that produces the medication. Additional information that may be included in medication barcodes may include the expiration date and lot number of the medication.[6] This is to ensure that counterfeit or expired drugs are not being administered to patients.

Medication management is a difficult task, where it focuses on the "five rights": right patient, right medication, right dose, right time, and right route of administration.[7] Barcode medication verification at bedside allows for nurses to automatically document the administration of drugs by means of barcode scanning. A study conducted in 2010, found that barcode usage prevented about 90 000 serious medical errors each year and reduced mortality rate by 20%.[8] One case study noted that the use of barcodes reduced medication administration error by 82% across five units studied from pre-implementation to post-implementation.[7] Other benefits that were realized included improved nursing staff satisfaction, improved patient satisfaction, and improved community relations.

Specimen Collection and Blood Infusion Safety

Healthcare professionals use specimen testing (blood, urine, or other) to help diagnose disease, assess health, and monitor medication level. Accurate results can be yielded from error-free collection procedures. Specimens that are collected incorrectly may lead to erroneous test results, which may lead to serious consequences for patients. This may include delayed or inappropriate treatments and incorrect medication adjustments. More than 160 000 adverse medical events per year have been suspected in the United States because of misidentification of patient or laboratory specimen.[9] Barcodes have been noted to be the strong intervention to reduce labeling errors on specimen collection, by ensuring that the correct patient is receiving the correct analysis.[10][11] Barcode technologies for specimen collection have been noted to increase patient comfort, decrease possible delays in diagnosis or treatment, and decrease rework for nurse and laboratory staff.[12]

Barcoding blood and other products may allow for reduction of medical error and increase patient safety. Blood and blood components manufactured on or after April 26, 2006, must have barcode labels according to the FDA.[4][13] This is used to minimize the risk of patients receiving the wrong treatment in healthcare facilities. According to the FDA, a minimum of four information pieces are required for the label, which includes the following:

  • Unique identifier for the facility from where the blood is coming from;
  • Lot number identifying blood donor;
  • Product code; and
  • Blood type (ABO,O,A and Rh).

Surgical Instrument Identification & Sterilization

Barcodes may be used to identify the instruments and supplies in kits for surgical procedures. Barcodes on instruments and surgical kits may be used to ensure compliance with surgeons' preferences for what their kits contains. Using barcodes to track what is and what is not used on a regular basis may allow for hospitals to optimize kit contents for each surgeon. This provides opportunities to reduce costs since surgeons' preferences may change over time.[14] With the lack of updates to kit and cart contents, it may result in the purchase of supplies that are never used.[14] Barcodes on surgical instruments can also be used to uniquely identify each instrument that is sterilized individually.[15]

Patient Identification

Barcode technology can help prevent medical errors by making accurate and reliable information readily available at the point-of-care. Information, such as the drug identification, medication management, infusion safety, specimen collection, etc. and any other patient care activity can be easily tracked during the patient stay. Wristbands with barcodes that contain the information of the patient's medical record or visit number, and any other identifiers have been proven effective to provide proper patient care.[16]

Barcoding Concerns

Much like the implementation of any technology, there are limitations and concerns that may or may not result from the use of barcoding technology in healthcare. From a technological standpoint, linear barcodes (1-D symbologies) have their limitations with regards to their size, memory capacity to store data, and standards that are put in place (e.g. the 10-digit National Drug Code). This is a concern given that healthcare settings are beginning to require smaller barcodes (for packaging) with large amounts of data stored on them.[1] As a result, there has been a lot of attention on the use of two dimensional barcode labels (2-D symbology). However, many barcode scanners that exist in the healthcare setting today are unable to read reduced space symbology, RSS composite, or two dimensional symbologies.[1]

Looking at barcoding technology in healthcare from a clinical professional standpoint, barcoding technology may impact the workflow process and disrupt the delivery of care to patients.[17] Workflow interruptions can be a result of fatigue and frustration among clinical professional when using barcoding systems.[18] Additionally, workarounds are common with the use of many technological devices/systems. Some examples that lead to workarounds in a clinical setting as a result of barcoding technology may include (but are not limited to):[19]

  • Limiting of clinical professional autonomy to make decisions;
  • The new system is too slow to respond in clinical emergencies;
  • Limited software flexibility for dosing needs;
  • Conflict between meeting the monitored medication delivery window and prioritizing other patient care activities; and
  • Slow response time, equipment problems, missing armbands, and illegible barcodes.

Future of Barcoding in Healthcare

Given barcoding’s history as a mature reliable technology, barcoding will continue to be adopted within the healthcare setting to improve the quality of patient care. However, growing attention on radio-frequency identification (RFID) systems are expected to be the future competitor for barcoding. Nevertheless, barcoding will continue to play a prominent role with RFID and will likely collaborate with RFID to form a hybrid system.[20] In this regard, barcoding (1-D and 2-D) will continue to have advantages over RFID (specifically passive RFID) for the following two reasons:[21]

  • Barcoding is cheaper than RFID (passive RFID must lower its price to become competitive);
  • Barcode technology is ideally suited for tasks in which a human being is stationary and objects are moving (e.g. blood sample collection and labeling).

Barcoding technology in healthcare will eventually begin to shift over to the use of 2-D symbologies to accommodate size restrictions and the growing need for large amounts of data. This is already becoming a reality with the use of mobile phones and is bound to play an important role in the development of mHealth.

See also

Barcode Standards used in Healthcare

References

  1. ^ a b c Healthcare Information and Management Systems Society (HIMSS). (2003). "Implementation guide of the use of bar code technology in healthcare" Retrieved from http://www.mckesson.com/static_files/McKesson.com/CorpBrand/Medication%20Safety/Implementation_guide.pdf.
  2. ^ Healthcare Information and Management Systems Society (HIMMS). (2007). "18th Annual HIMSS Leadership Survey." Retrieved from http://www.himss.org/2007survey/DOCS/18thAnnualLeadershipSurvey.pdf
  3. ^ Healthcare Information and Management Systems Society (HIMMS). (2008). "19th Annual HIMSS Leadership Survey." Retrieved from http://www.himss.org/2008survey/DOCS/19thAnnualLeadershipSurveyFINAL.pdf
  4. ^ a b U.S. Food and Drug Administration (FDA). (2011). "Bar Code Label Requirements for Blood and Blood Components Questions and Answers." Retrieved from http://www.fda.gov/BiologicsBloodVaccines/DevelopmentApprovalProcess/AdvertisingLabelingPromotionalMaterials/BarCodeLabelRequirements/ucm133136.htm
  5. ^ Food and Drug Administration (FDA). (2004). "C.F.R. 201.25.21" Retrieved from http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=201.25
  6. ^ U.S. Food and Drug Administration (FDA). (2011). "National Drug Code Directory." Retrieved from http://www.fda.gov/Drugs/InformationOnDrugs/ucm142438.htm
  7. ^ a b Work, M. (2005). "Improving medication safety with a wireless, mobile barcode system in a community hospital." Patient Safety and Quality Care.
  8. ^ Poon, E.G., et al. (2010). "Effect of bar-code technology on the safety of medication administration." New England Journal of Medicine, 362, 1698-707.
  9. ^ Valenstein, P.N., Raab, S.S., & Walsh, M.K. (2006). "Identification Errors Involving Clinical Laboratories: A College of American Pathologists Q-Probes Study of Patient and Specimen Identification Errors at 120 Institutions." [Electronic Version]. Archives of Pathology & Laboratory Medicine, 130(8), 1106-1113.
  10. ^ Astion, M. (2006). "Right patient, wrong sample." Agency for Healthcare Research and Quality Case and Commentary. Retrieved from http://www.webmm.ahrq.gov/case.aspx?caseID=142
  11. ^ Kellicker, P. (2008). "Barcode technology for specimen collection." Retrieved from http://www.uscnorriscancerhospital.org/condition/document/45392
  12. ^ Brown, J.E., Smith, N., & Sherfy, B.R. (2011). "Decreasing mislabeled laboratory specimens using barcode technology and bedside printers." [Electronic version]. Journal of Nursing Care Quality, 26(1), 13-21.
  13. ^ U.S. Food and Drug Administration (FDA). (2006). "Bar Code Requirements for Blood Banks." Retrieved from http://www.fda.gov/BiologicsBloodVaccines/NewsEvents/WorkshopsMeetingsConferences/ucm113326.htm
  14. ^ a b Nicolaos, G., Tournoud, M., Hassani, Y., Mignon, J., Frémont, F., & Fabrequette, A. (2009). "Unique device identification of surgical instruments by DataMatrix 2D barcodes." [Case Study]. GSI Healthcare Reference Book, 1-3.
  15. ^ Flynn, S. (2007). Documenting the steam sterilization process. Healthcare Purchasing News, 31(1), 50.
  16. ^ Niceware International. (2006). "Patient safety with bar code and RFID labeling identification." [White Paper] Retrieved from http://cdn.ftp.nicelabel.com/docs/whitepaper/wp-healthcare-patientsafetywithidsolutions-102406-3.pdf
  17. ^ Poon, E.G., et al. (2008). "Impact of barcode medication administration technology on how nurses spend their time providing patient care." [Electronic Version]. Journal of Nursing Administration, 38(12), 541-549.
  18. ^ Cummings, J., Ratko, T., & Matuszewski, K. (2005). "Barcoding to enhance patient safety." Agency for Healthcare Research and Quality Case and Commentary. Retrieved from http://www.psqh.com/sepoct05/barcodingrfid1.html
  19. ^ Heinen, M.G., Coyle, G.A., & Hamilton, A.V. (2003). "Barcoding makes its mark on daily practice." [Electronic Version]. Journal of Nursing Administration, 33, 18-20.
  20. ^ Health Industry Business Communications Council (HIBCC). "Radio frequency identification (RFID) in healthcare." [White Paper]. Retrieved from http://www.hibcc.org/PUBS/WhitePapers/RFID%20in%20Healthcare.pdf
  21. ^ Dzik, S. (2007). "Radio frequency identification for prevention of bedside errors." [Electronic Version]. Transfusion. 47(s2), 125S-129S.

External links

Barcode Standards used in Healthcare

  • The Health Industry Bar Code Standards
  • GS1-128 Barcodes
  • UCC-128, EAN-128 & GS1-128 Bar Code Explained
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