Nominations and review process

Producers of certified reference materials, authors of publications of reference measurement methods, and reference laboratories providing measurement services for laboratory medicine and clinical chemistry are invited to submit nominations for review and possible publication in the JCTLM Database. Please use the procedures and forms available on these web pages.

New instructional videos available from the BIPM e-learning plaform

A series of instructional videos informing nominators of the process and data submission details for a successful nomination to the JCTLM database of higher-order references for metrological traceability are available from the BIPM e-learning plaform.

From the e-learning home page, select BIPM COURSES. Then select JCTLM from the Filter by Topic Area list.

Guidance for creating a user account on the BIPM e-learning platform is available from HERE.

JCTLM Review Cycle 23 (2026) for materials and methods

Nominations are solicited for available higher order reference materials and reference measurement methods/ procedures for laboratory medicine and in vitro diagnostics to be listed in the JCTLM Database.

• Reference material template (DBWG-P-02A-F-01)
• Reference measurement procedure template (DBWG-P-02A-F-02)
• Instructions for completing nomination templates
• Nomination process for reference material and procedures (DBWG-P-02A) - This procedure was updated to remove the deadline of 30 September for providing supporting evidence. All supporting evidence should be submitted by 31 May.
• Multiple CRM comparison process (DBWG-P-04A)
• Multiple reference method/procedure comparison process (DBWG-P-04B)

JCTLM Review Cycle 21 (2026) for services

Nominations are solicited for Reference Measurement Services provided by Calibration (Reference) Laboratories for listing by the JCTLM.

• Template for nomination of reference laboratory measurement services (DBWG-P-02B-F-01)
• Nomination process for reference measurement laboratory services (DBWG-P-02B)

Further information

• Checklist of frequently observed non-conformances by review teams with suggestions for a successful submission to JCTLM
• Publication of modified or new reference measurement procedures - NEW
  The JCTLM is supporting scientists developing and validating both new and modified RMPs by promoting the importance of publications of these procedures in the peer-reviewed Journal community. Please consult this page to identify the journals having indicated that they are receptive to receiving such manuscripts.
• Information on the nomination and review process can be found on the Database Working Group Procedure Manual.

Completed nomination forms should be returned to the JCTLM Secretariat by 31 May 2026.

Further readings

Three JCTLM presentations from JCTLM were included in the programme of the 2nd Conference for Protein and peptide therapeutics and diagnostics: research and quality assurance. Chengdu, China: October 2018:

• Developing Reference Measurement Procedures in Compliance with ISO 15193 by Anja Kessler (DE).
• Developing CRMs for Diagnostics in Compliance with ISO 15194 by Karen Phinney (US).
• Linking ISO 15195 accreditation with the performance of IFCC reference measurement procedures for enzymes by Mauro Panteghini (IT).

Annual schedule for JCTLM nomination and review process

Approximate dates: (final dates may vary slightly)