As Canada’s centre for Health Information Standards, Infoway is proud to support World Standards Day! more >

Share this page:

Pan-Canadian LOINC Observation Code Database (pCLOCD) Nomenclature Standard

Pan-Canadian LOINC Observation Code Database (pCLOCD) Nomenclature Standard allows access, management and storage of patient laboratory orders and results across the continuum of care through a jurisdictional Laboratory Information System.

Laboratory results are a critical factor in clinical decision making. Many patients’ complete tests are located in different health care locations. When online sharing of test information is limited, tests results are often duplicated when a patient then visits different health care providers. This lack of available laboratory test information limits timely clinical decision making. 

Pan-Canadian LOINC Observation Code Database                             
(pCLOCD) Nomenclature Standard
                                              CAS *

  • Provides standardization for disparate lab tests across multiple organizations and platforms allowing for comparability and analysis of consolidated lab data
  • Provides options for standardizing laboratory test names and reporting units across disparate lab systems for use in a consolidated system
  • Facilitates semantic interoperability between disparate lab systems
  • Supports all commonly used lab tests and the majority of tests done in specialty areas
  • Supports both ordering and reporting lab tests
  • Increases access to laboratory test results across the continuum of care
  • Reduces the need to repeat laboratory tests since all existing tests are accessible
  • Improves quality and timeliness of laboratory results and interpretations since tests can be reviewed electronically
  • Reduces storage, dissemination and duplication costs – tests can be stored and shared electronically
  • Terminology: LOINC


Login with your Infoway Account and accept the Terms of Use and License Agreements annually to access standards on InfoCentral and InfoCentral Wiki. For HL7 International Access, there is an annual fee.

  Don't have an Infoway Account? Register for an Infoway Account now.
  Find out more about Standards Access

Additional Resources


* Status Definitions

Canadian Draft for Use (CDFU) - The standard has been developed but it may or may not be implemented or be in use. The standard is considered ready to be used by early adopters: however, change is probable as stakeholders begin using the standard in implementations.

Canadian Approved Standards (CAS) - The standard is in use for the purpose(s) or context(s) for which it was intended. Only those parts of the standard that have been implemented or are in use can progress for consideration as CAS. This decision point signifies that the standard has reached a level of stability and is comprehensive enough such that major changes are not expected.

IHTSDO®, SNOMED CT®, HL7®, ISO®, DICOM® and LOINC® are trademarks or registered trademarks of the respective organizations and should be considered as such. All rights are reserved by the governing organization.

Questions? Please contact the This email address is being protected from spambots. You need JavaScript enabled to view it. or call 416-595-3417/1-877-595-3417 (toll-free).

Want more information or wish to discuss your standards requirements? Contact Us.

Standards Access

To access licensed international and national health information standards (e.g. SNOMED CT), simply login to your Infoway Account and accept the terms of user and license agreements annually. Fees are only collected for access and use of HL7 International materials.

All SNOMED CT, LOINC and Infoway software tools are available at no cost to users with an active Infoway account.

Find out more about Standards Access.

Login and visit HL7 International Access to see your current HL7 International status.

Join us at Partnership Conference on Nov. 14 for a keynote presentation on delivering meaningful at scale solutions…

by Infoway

logo 1

Improving the quality of patient care through the effective sharing of clinical information among health care organizations, clinicians and their patients.

Login Register