Thyroid Peroxidase Abs

Pathology category

Biochemistry

Code

TAA

Referral code

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Test information

In conjunction with Thyroid Function tests (TSH and Free T4), to detect patients with autoimmune thyroid disease (most commonly hypothyroidism).

Guidelines

Pre-analytical

Reference range

<9 IU/mL

Source: Beckman Coulter

Tube type

Tube type info

Adults: 5ml Serum SST (gold top)

Paediatrics: 0.5ml lithium/heparin (orange top)

Special requirements

Minimum volume

Adults: 1 ml

Paediatrics: 0.1 ml

Assay frequency

Run daily at local laboratory

TAT Inpatient (urgent)

TAT Inpatient

3 days

TAT GP/Outpatient

3 days

Referral lab

Local, Clinical Biochemistry