Pathology Handbook

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Recent changes for Alzheimer Disease (Blood)
Date	Field	Changed From	Changed To
16th September 2026	Assay name	Alzheimer	Alzheimer Disease (Blood)
	Collection & Request Instructions	Must be approved by a Chemical Pathologist. The NDDL referral form must be completed prior to referral.	Must be approved by a Chemical Pathologist. The NDDL referral form must be completed prior to referral.

Date

Field

Changed From

Changed To

16th September 2026

Alzheimer

Alzheimer Disease (Blood)

Must be approved by a Chemical Pathologist.

The NDDL referral form must be completed prior to referral.

Must be approved by a Chemical Pathologist.

The NDDL referral form must be completed prior to referral.

Alternative Names:

Abeta
Tau
NfL
Phospho-Tau181P
Neurofilament Light
pTau 217

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: $250 pTau217p: $350

Additional Notes:

For enquiries:

Phone: 03 9035 7243 (NDDL)

Email: enquiries-nddl@unimelb.edu.au

Method: Roche ECLIA