ACI 318 (Building Code) and ASTM C42 (Standard Test Method for Obtaining Cores).
Many state DOTs (Departments of Transportation) and federal agencies still reference the 2010 version in their standard specifications. Always check your contract documents. aci 214.4r-10 pdf
Often, the answer is "no." Cylinder tests can fail for myriad reasons unrelated to the in-place concrete quality: poor handling of the cylinders, improper curing in the lab, or improper consolidation during molding. ACI 318 (Building Code) and ASTM C42 (Standard
Section 7.2 of the PDF is explicit: “Strength of a core with an L/D less than 1.8 shall be multiplied by a correction factor.” Ignoring this leads to unconservative (overestimated) strength. Often, the answer is "no
You may be wondering: Should I use the 2010 version or buy the 2021 version?
The PDF provides detailed tables:
If you have the PDF but need troubleshooting: