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ICD-11 Pain Classification Resources

Articles, press releases, and general resources about the ICD-11 pain classification.

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General Resources

General Resources

ICD-11 Information Sheet

Describes the purpose and uses of the International Classification of Diseases.


FAQs on the ICD Revision

Describes why ICD is important, who uses it, and why it is being revised.


ICD-11 for Mortality and Morbidity Statistics

Allows you to open a browser to review the ICD-11 version for preparing implementation.


ICD-11 Reference Guide 

The reference guide explains how to use the ICD-11 and what is new.


ICD-11 Maintenance Platform

Comment on the ICD-11 proposals


ICD-11 Implementation or Transition Guide

This guide gives further information on the ICD-11 and how it will be implemented.


ICD-11 Timeline

July-August 2016 

Pilot field testing of the ICD-11 chronic pain classification.


July-August 2017 

Field testing of the ICD-11 chronic pain classification in cooperation with the WHO.


18 June 2018

The ICD-11 version for preparing implementation is released, it includes the new chronic pain codes.


25 May 2019

The World Health Assembly approved the ICD-11. 


1 January 2022

The ICD-11 will come into effect.


Additional Information

  • Definitions of Chronic Pain Syndromes
  • Structure of the ICD-11 Classification