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RRL - MAGNESIUM

Message
Immediate Specimen Processing: Specimen must be collected at IL at Fair Oaks or IL at Mark Center labs only. Do not send specimen to Inova Central Lab. Specimen Stability: 60 minutes


Test Code
LAB14178 POCMG


Alias/See Also
POCMG


CPT Codes
83735

Instructions
Processing Instructions: Specimen must be collected at IL at Fair Oaks or IL at Mark Center labs only.Do not send specimen to Inova Central Lab.Preferred Testing Volume: 3 mL whole bloodMinimum Testing Volume: 2 mL whole bloodTransport Temperature: Refrigerated Stability: Test within 60 minutes of collectionCauses for Rejection: Specimen not tested within 60 minutes, specimen is grossly hemolyzed, QNSPerforming Lab: InovaICL or Main Lab Specimen Team Only: If specimen is received at ICL, reject and cancel testing for follow up.


Clinical Significance
1230130147



Last Updated: May 18, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.