AMMONIA

Message

Collection Requirements: Inpatients/Hospital/ECC: Transport to the lab on wet Ice. Must be centrifuged within 15 minutes. Must be collected at an Inova facility in a chilled specimen tube. Immediate Specimen Processing: Centrifuge specimen and transfer plasma to a plastic screw-cap tube and freeze prior to transportation. Ambulatory Transport Temperature to Inova Central Lab: FrozenSpecimen Stability: 21 Days

Test Code

LAB47 AMON

Alias/See Also

AMON

CPT Codes
82140

Instructions

Processing Instructions: Centrifuge specimen and transfer plasma to a plastic screw-cap tube and freeze prior to transportation. Inpatients/Hospital/ECC: Transport to the lab on wet Ice. Must be centrifuged within 15 minutes. Ambulatory Transport Temperature to Inova Central Lab: Centrifuge cold and separate the cells immediatelyPreferred Testing Volume: 1 mL PlasmaMinimum Testing Volume: 0.2 mL Plasma Transport Temperature: Frozen Stability: Ambient: UnacceptableRefrigerated : 2 hoursFrozen: 21 days Causes for Rejection: Unlabeled, mislabeled, wrong tube type, QNS, lipemic, hemolyzed, not transported in appropriate temperature, sample not cold centrifuged within 15 minutes.Performing Lab: Inova Laboratories

Clinical Significance

1230130025

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.