Doctor's Data Inc

Homocysteine; serum

CPT Code

83090

Specimen Requirements

1 mL serum
Fasting is recommended

Collection Container/Tube

Red-top tube (no additive). Alternative: Serum gel separator tube. Can be performed on plasma - use an EDTA (purple-top) or Heparin (green-top) tube.

Transport Container/Tube

Clear plastic serum/plasma transfer vial

Minimum Specimen Volume

0.5 mL

Rejection Criteria

Gross hemolysis
Gross lipemia

Stability Information

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
37°C/99°F: 14 days

Methodology

Enzymatic

Turnaround Time

5 - 7 days

Reference Intervals

Sex Age
Both 1-199 years <11 ┬Ámole/L