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Cannabinoidsmsmtbld

Published: August 9, 2026Updated: August 15, 2026
Medically reviewed by WellAlly Editorial TeamLast reviewed August 15, 2026Editorial policy

Key facts at a glance

LOINC
109563-7
Short code
CANNB
Synonyms
Cannabinoids Msmt Bld
Category
chemistry
Sample
whole-blood
Container
Gray-top sodium fluoride/potassium oxalate tube (for forensic) or red-top serum tube or lavender-top (EDTA) plasma tube for clinical testing
Units
N/A
Ref low
0
Ref high
1
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) or Gas Chromatography-Mass Spectrometry (GC-MS)
CPT
80349
SNOMED
395153009
Specimen volume
5-10 mL of whole blood
Stability
Refrigerated at 2-8°C: up to 7 days; Frozen at -20°C or below: up to 3 months
Hemolysis max
100
Lipemia max
100
Icterus max
50
TAT
24–72 hours
Order
routine

Reference range

Negative (cutoff typically <1 ng/mL or <2 ng/mL depending on laboratory protocol); THC-COOH detection threshold varies by assayN/A

Specimen: whole-blood

No fasting required. Patient should be informed that results may be used for forensic, employment, or treatment purposes. Chain of custody may be required for legal testing.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 15, 2026. · Read our editorial policy