Description Reviews Propoxyphene (PPX) Drug Test Dip Card Detects the presence of PPX in urine. The dip card design makes testing easy and very convenient. CLIA Waived. Related Products ETG Drug Test Dip Card (Single Dip) $2.19 Options Opiate (OPI) Drug Test Dip Card $1.09 Add to Cart Amphetamine (AMP) Drug Test Dip Card $1.09 Add to Cart Cocaine (COC) Drug Test Dip Card $1.09 Add to Cart Methadone (MTD) Drug Test Dip Card $1.09 Add to Cart