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Paediatric Laboratory Medicine

Homocysteine

Clinical Significance

Screening of homocystinuria and diagnosis of disorders of methionine metabolism

Test Name

Homocysteine

Test Code

HMC

Division

Metabolic Diseases

Method

Liquid Chromatography - Mass Spectrometry (LC-MS)

Turn Around Time

Done weekly

Specimen Type

Plasma or Serum

Minimum Specimen Requirements

50 µL

Shipping and Contact Information

The Hospital for Sick Children
Rapid Response Laboratory
170 Elizabeth Street, Room 3642
Toronto, ON
M5G 2G3
Canada
Phone: 416-813-7200
Phone: 1-855-381-3212

Reference Range

(µmol/L)
<5y 0.5-11.0
6-12y 5.0-12.0
13-59y 5.0-15.0
>60y 5.0-20.0