No, Customer (name blocked for privacy), neither lidocaine or novocaine can show up as cocaine on urine drug tests.
The substances that can show up as cocaine are :
1-Benzoylecgonine, in concentration of 0.3 micrograms/ml or more
2-Norcocaine, in concentration of 60 micrograms/ml or more and
3-Ecgonine, in concentration of 350 micrograms/ml or more
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