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Homocysteine total, plasma
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Test Name:
Homocysteine total, plasma
Test Code(s):
DHCYS
Testing Prerequisites:
Patients >10 years old should be fasting for 12 hours (9 hours if diabetic)
Collection Device/Tube Type:
4 mL blood - mauve top tube (EDTA)
Submission Requirements:
2 mL plasma
  •  Place specimen on ice after collection
  •  Spin, separate and freeze within 1 hour of collection
Frequency of Testing:
Twice weekly
Reference Range:
< 12.1 umol/L

Last Reviewed:
25 August 2017

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