Diagnostic Test Directory

Michael J. Palmieri Metabolic Disease Laboratory

Amino Acid Quantitation (Free Homocystine)

  • LIS Mnemonic: AAQP

    Collect

    Green (Sodium heparin)

    Volume Required

    3.0 mL

    Minimum Required

    1.0 mL

    Transport

    Transport on ice. Storage requirements: Spin and freeze plasma immediately.

    Stability

    1-2 hours on ice

    Processing

    Deliver to lab immediately for processing. If delay, spin and freeze plasma until delivery is possible. If sending specimen from outside CHOP, send on dry ice by overnight courier (Mon-Thurs only).

    Unacceptable conditions

    room temperature

Days Performed

Monday-Friday

Reported

1-3 days

Reflex Testing

N/A

CPT

82139

Methodology

UPLC

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