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Homocysteine

Test Code
HOMO


CPT Codes
83090

Preferred Specimen
1.0 mL plasma collected in a PST (LiHeparin tube)


Minimum Volume
Preferred 1mL
Minimum 14uL


Other Acceptable Specimens
Plasma - EDTA (Lavender)
Serum - SST, Red Top, or Tiger Top


Specimen Stability
Romm Temp 4 days
Refrigerated Plasma 4-weeks
Frozen 10 months



Last Updated: December 27, 2023


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.