Homocysteine HCY

Method(s) Chemiluminescent Immunoassay
Specimen Required
Collect One 5 mL gold (SST) top tube.
Transport

1 mL serum at 2-8ºC. Heparinized or EDTA plasma may also be used.

Remarks

Centrifuge within 1 hour of collection.

Stability

Refrigerated: 14 days; Frozen: 6 months

Schedule Tue, Fri
Billing Code 1010084
CPTCode 83090
Notes Patient should be fasting for 12 hours prior to collection. Specimen (plasma or serum) must be centrifuged within one hour of collection. Longer storage of whole blood samples at room temperature has been found to increase homocysteine concentration in the plasma.
Preferred Specimen Collection Device(s)
Reference Interval

0-60 years: 5.0-18.0 umol/L

Over 60 years: 5.0-20.0 umol/L

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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