Pathology Handbook

Recent changes for Homocysteine
Date	Field	Changed From	Changed To
22nd April 2026	Volume (Adults)	5 mL	3 mL
	Frequency	Weekly

Laboratory:

Clinical Biochemistry

Test Code:

HOMOCYS

Specimen Types:

Plasma

Container Types:

EDTA 3 mL

Adults Volume or Mass:

3 mL

Minimum/Paediatric Volume or Mass:

2 mL

Collection & Request Instructions:

Collect in am
Collect on Ice
Retrospective testing not possible.

Transport Instructions between Sites and/or Laboratories:

On Ice
Send to lab immediately

MBS Rebatable:

Yes

MBS Item No.:

66632

Additional Notes:

Test performed on Abbott Alinity

Reference Ranges:
< 60 yrs: 5—15 umol/L
> 60 yrs: 5—20 umol/L