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Y50.2

Methylxanthines, not elsewhere classified

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

  • ●Cannot be used as primary diagnosis

Coding guidance (WHO 2019)

Caffeine Excl.: aminophylline (Y55.6) theobromine (Y55.6) theophylline (Y55.6)

Sibling codes

Y50Central nervous system stimulants, not elsewhere classifiedY50.0AnalepticsY50.1Opioid receptor antagonistsY50.8Other central nervous system stimulantsY50.9Central nervous system stimulant, unspecified