Test ID: HOMCY
CPT code: 83090
LOINC: 2428-1
Specimen Type: EDTA PLASMA
Frequency: Setup: Mon-Fri; TAT <24hrs Mon-Fri
Instructions: Collect Lavender top on Ice, Centrifuge and remove plasma as soon as
possible(30 min), refrigerate. Alt/ heparinized plasma or serum.
Text: Evaluate homocystinuria, cobalamin and/or folate deficiency. Predictor
of risk for ischemic stroke and myocardial infarction.
Methodology: Competitive Immunoassay