If we have a cold Blood test checkup urine culture Will the test results be wrong ?

If I have a cold, a sore throat, and a stuffy nose, and I get a blood test and a urine culture, will the test results be wrong ?
Blood tests such as CBC, sugar, fat, liver, kidney
If you have a cold, some home parameters may change slightly, especially
WBC white blood cells may increase because the body is fighting the virus
ESR or CRP, if present, may increase because you have inflammation
Other things such as sugar, fat, liver and kidney function usually do not change much, but physical stress or taking medications such as acetaminophen, antibiotics may have a slight effect
Result: If you just want a general checkup and not to check for infection, it is better to wait until after recovery so that the results are more accurate
Urine Culture
A cold usually does not affect urine culture, because this test is to check for urinary tract infections, not respiratory infections
However, if you have taken antibiotics, the urine culture result may be falsely negative because the bacteria have been killed
General advice :
If the goal is only a general checkup, it is better to go for the test after recovery, for example, a week after the symptoms have resolved.
If your doctor has prescribed a test for you right now, for example to check for an infection, do it right away.