Homocysteine - Machaon Diagnostics
New test available: mHam 2.0 – Complement-Dependent Cell Killing Assay

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Homocysteine

Justification

Measurement of homocysteine is warranted in patients suspected of having homocystinuria and in first-degree relatives of patients with homocystinuria but not in other clinical settings.

STAT: < 1 week

HPLC

Draw Tube: Red Top

Sample Type: Serum

Specimen Requirements

Sample Type Volume Required Minimum Volume Stability
PREFERRED Serum 1mL 0.5mL Room Temp.: 14 days
Frozen (-20C): 6 months
Frozen (-80C): 6 months
ALTERNATIVE - - - -
REJECTION CRITERIA Sample contamination; sample compromised
SPECIAL INSTRUCTIONS -

General Information

METHODOLOGY HPLC
STAT TAT < 1 week
STAT TAT Performance > 90% of results released in 1 week
ROUTINE TAT < 1 week
ALTERNATIVE NAMES Hcy
DESCRIPTION -
LIMITATIONS -
NORMAL RANGE -
ASSOCIATED TESTING -
REFERENCES -
SAMPLE REPORT Upon request
NEW YORK STATE APPROVED -

Test Codes

ORDER CODE P3200
CPT CODE 83090
LOINC CODE 13965-9