Marijuana(THC) Multi-Level Drug Test Card

PECIFICATION:

Method: Competitive binding lateral flow immunochromatographic assay

Time to Result: 5 minutes

Storage Condition: Store as packaged in the sealed pouch at 39-86°F (4-30°C). DO NOT FREEZE.

Shelf Life: 24 months

Sample Type: Urine

Cut-Off Level: 20 ng/mL, 40 ng/mL, 100 ng/mL, 200 ng/mL, and 300 ng/mL (20 ng/mL&40 ng/mL have FDA 510(k) Cleared)

• 20 ng/mL: Sensitivity: 95.8%, Specificity: 94.2%

• 40 ng/mL: Sensitivity: 95.8%, Specificity: 95.8%

Kit Sizes: 10 Tests/box

Kit Contents:

• User Instruction

• Dip Card (inside foil pouch)

• Pre-addressed and pre-paid mailing box for shipping samples for confirmation testing

• Plastic transportation bag

• Identification label (with bar code)

FEATUERS:

• Accurate detection of multiple substances

• Easy to use and fast results in 5 minutes

• Clear and sensitive results with labeled test strips

• Ideal for home use, workplaces, educational institutions, and professional settings

• High accuracy in substance detection

HOW TO USE:

Step 1.
Remove the Dip Card from its protective pouch.

Step 2.
Immerse the test strips vertically into the urine sample for 15-20 seconds.

Step 3.
Replace the cap to cover the test strip, and lay the card on a non-absorbent surface.
Read the result at 5 minutes, do not read after 10 minutes.

CUT-OFF LEVELS:

POTENTIAL ISSUES:

• No bands appear on the strip (Replace the test card and retest according to the instructions):

  The product has expired, and the C line does not appear.

  During sample application, the sample exceeds the MAX line, causing the gold-labeled antibodies to enter the sample well and disrupting the chromatographic flow. This prevents the antigen-antibody reaction from forming.

• Only the T line appears, and the C line is absent (Replace the test card and retest according to the instructions):

  The product is damp, rendering the absorbent end of the test strip ineffective, and the chromatographic flow cannot fully form.

• The drug user does not test positive (Collect a new sample the next day and retest):

  The drug was recently used, and the substance has not yet been metabolized into the sample.

  No recent drug use; collect alternative samples such as hair for testing.

• Cross-reaction with other drugs (Check the manual to see if cross-reaction is mentioned; if not, contact the manufacturer):

  Different products may cross-react with different drugs.

• The discrepancy between drug users and confirmation results:

  False Positive:

  The sample contains cross-reactive substances.

  Check the composition of drug metabolites. During confirmation analysis, ensure that protein-bound metabolites have been preprocessed.

  False Negative:

  Differences between the product and confirmation standards (commonly occur near the CUTOFF threshold).

  Conduct a quantitative analysis of the sample to determine the drug concentration range.

• T line appears, but the color is faint:

  The sample contains a small amount of the drug, and the concentration does not reach the CUTOFF value. This is generally interpreted as a negative result.