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Test Code HCY2 Homocysteine

Performing Laboratory

North Ottawa Community Hospital

Specimen Requirements and Processing

Lavender (EDTA) top tube Plasma
Minimum volume-tube must be at least half full
Separate from cells within 1 hour of draw or refrigerate up to 8 hours prior to separation

Reference Values

Female: 4.7-12.6 umol/L

Male: 6.6-14.8 umol/L

Specimen Stability

Separate from cells within one hour of collection and store as follows:

Room Temp: < 3 Days

Refrigerated: <10 Days (Preferred)

Frozen: < 1 month. 

Methodology

Enzymatic