DEA	Drug Enforcement Administration
FM	fibromyalgia
SLC6A4	serotonin transporter gene
TRPV2	transient receptor potential vanilloid 2 genes
CSF	cerebrospinal fluid
(5-HT)	5-hydroxytriptamine
(5-HTT)	serotonin transporter
COMT	Catechol-O-methyltransferase
SNP	short nucleotide polymorphisms
DRD4	dopamine receptor D4
MAO	A-monoamine oxidase
GTPCH	guanosine triphosphate cyclohydrolase
GABRB3	GABA receptor beta 3 subunit
APOE	apolipoprotein MYT1L myelin transcription factor 1
CLBP	chronic low back pain
OPRM1	opioid receptor µ 1
LDD	lumbar disk disease
GDF5	growth differentiation factor 5
COMT	catecholaminergic enzyme
VNTR	variable nucleotide tandem repeat
NSAIDs	(nonsteroidal anti-inflammatory drugs)
ACAN	chondroitin sulfate-1 encoding domain of the aggrecan gene
EDNRA	encoding endothelin type A receptor
MTHFR	encoding methylenetetrahydrofolate reductase
NOS3	encoding endothelial nitric oxide synthase
ACE	encoding angiotensin-1 converting enzyme
TGFB2	encoding β-2 transforming growth factor
TGFBR2	encoding β-2 transforming growth factor receptor
VEGF	vascular endothelial growth factor
NOTCH3	neurogenic locus notch homolog protein 3
ESR1	estrogen receptor 1
MTHFR	methylenetetrahydrofolate reductase
DPN	painful diabetic peripheral neuropathy
5-HTTLPR	5-hydroxytriptamine transporter-linked polymorphic region
TN	trigeminal neuralgia
CYP450	cytochrome P450
TCA	tricyclic antidepressant
DPWG	Dutch Pharmacogenetics Working Group
CPIC	Clinical Pharmacogenetics Implementation Consortium
SSRIs	selective serotonin reuptake inhibitors
NSRIs	non-selective reuptake inhibitors
IM	intermediate-metabolizer
EM	extensive metabolizer
DDIs	drug-drug interactions
DGIs	drug-gene interactions
DDGIs	drug-drug-gene interactions
DOA	deceased patients with opioid addiction
LOA	living patients with opioid addiction
ABCB1	ATP-binding cassette sub-family B member 1