5 articles
CDT looks back two to three weeks, EtG in hair up to about three months. Read what each alcohol marker measures and whic...
An elevated CDT is usually from alcohol, but not always. Read which other causes can explain an abnormal %CDT.
Alcohol itself is measurable for hours to a day; CDT looks back 2-3 weeks and EtG in hair up to 3 months. See the window...
EtG in hair covers about a month per centimetre, up to around three months. Read how a hair test differs from CDT in blo...
For alcohol, the CBR looks at gamma-GT, CDT and MCV together. Read which blood values count and how far back CDT looks.