Pathology Handbook

Recent changes for Alzheimer Disease
Date	Field	Changed From	Changed To
7th February 2026	Assay name	Alzheimer	Alzheimer Disease

Alternative Names:

Abeta
Tau
NfL Phospho-Tau181P; Neurofilament Light

Laboratory:

Clinical Biochemistry

Test Code:

ALZHEIM

Specimen Types:

Blood

Container Types:

EDTA 10 mL
EDTA 3 mL

Adults Volume or Mass:

5 mL

Minimum/Paediatric Volume or Mass:

2 mL

Collection & Request Instructions:

Must be approved by a Chemical Pathologist.

The NDDL referral form must be completed prior to referral.

Transport Instructions between Sites and/or Laboratories:

On Ice

Assay Frequency:

Weekly

External Laboratory:

National Dementia Diagnostics Laboratory

Billing Information:

Testing fee: pTau181P: $250 NfL: $200

Additional Notes:

For enquiries:

Phone: 03 9035 7243 (NDDL)

Email: enquiries-nddl@unimelb.edu.au