World Health Organization · 2026-01 · English
Opioids or related analgesics and agents affecting opioid receptors
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
XOpioid receptor antagonistsXM05B3DiamorphineXM1ZY9Methadone, methadone derivatives and other drugs used to treat opioid addictive disordersXM4587Codeine, codeine derivatives and other opioids used in cough suppressionXM4ES0OpiumXM4M74DifelikefalinXM4MV8Opioid anaestheticsXM4PD9NalmefeneXM4S22Other opioid analgesics, natural, synthetic and semi-syntheticXM4SL9OxycodoneXM69R4Morphine, morphine derivatives and metabolitesXM9UH3Nalfurafine© World Health Organization · CC BY-ND 3.0 IGO