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Test Code LAB93 Homocysteine

Notes:

Place on ice immediately after collection!

Collection:

Specimen: Blood

Container: Lavender Top Tube on ice.  Collect separate tubes when multiple tests are ordered.

Volume: 4 mL; Minimum 2 mL

Stability:

On-campus collections: Place on ice immediately after collection.
 
Off-campus collections:  Charleston area clinics - Place specimen immediately on ice or on a cold pack (not frozen) and keep in a refrigerator until transport. Transport refridgerated to UHE Main Fast Flow Lab. If specimen cannot be delivered within 6 hours, centrifuge and pour off plasma into a transport tube labeled with specimen type (EDTA plasma). Freeze poured off specimen immediately. Transport frozen to UHE Main Fast Flow Lab.
 
Outside RHNS and clinics:  Immediately centrifuge and pour off plasma into a transport tube labeled with specimen type (EDTA plasma). Freeze poured off specimen immediately. Transport frozen to UHE Main Fast Flow Lab.

 

Once plasma is separated from cells:

 

Refrigerated: 2 Weeks

Frozen: 1 Year

Turn Around Time (TAT):

STAT: 2 HOURS

Routine: 4 HOURS

Test Availability:

24 hours a day / 7 days a week

Reference Interval:

4.4 – 16.2 µmol/L

Additional Test Codes

HCY

Performing Laboratory Section

Chemistry / UMC MAIN LABORATORY