This value set includes codes based on the following rules:

• Include these codes as defined in http://snomed.info/sct

  Code	Display	Synonym	Nederlands (Nederland) (Dutch (Netherlands), nl)
  387341002	Heroin (substance)	Heroïne	Heroïne
  372664007	Benzodiazepine (substance)	Benzodiazepine	Benzodiazepine
  387286002	Methadone (substance)	Methadon	Methadon
  62821004	Hydroxybutyric acid (substance)	GHB	GHB
  387085005	Cocaine (substance)	Cocaïne	Cocaïne
  229003004	Cocaine freebase (substance)	Crack, base coke	Crack, base coke
  288459003	Methylenedioxymethamphetamine (substance)	MDMA	MDMA
  703842006	Amphetamine (substance)	Amfetamine, speed	Amfetamine, speed
  398705004	Cannabis (substance)	Cannabis, wiet marihuana, hasj	Cannabis, wiet marihuana, hasj
  229006007	Hallucinogenic mushrooms (substance)	Paddo's	Paddo's
  15698006	Lysergic acid diethylamide (substance)	LSD	LSD
  373464007	Ketamine (substance)	Ketamine	Ketamine
  9721008	Phencyclidine (substance)	PCP	PCP
  387499002	Methamphetamine (substance)	Crystal meth, methamfetamine	Crystal meth, methamfetamine
  111151007	Anabolic steroid (substance)	Anabole steroïde	Anabole steroïde
  372800002	Laxative (substance)	Laxans	Laxans
  387173000	Buprenorphine (substance)	Buprenorfine	Buprenorfine
  373492002	Fentanyl (substance)	Fentanyl	Fentanyl
  372798009	Barbiturate (substance)	Barbituraat	Barbituraat

• Include these codes as defined in http://hl7.org/fhir/v3/NullFlavor

  Code	Display	Synonym	Nederlands (Nederland) (Dutch (Netherlands), nl)
  OTH	Other	Anders	Anders