Test Entry - Detail

Glycated Haemoglobin


General
  Clinical Use: To monitor a person's diabetes and to aid in treatment decisions.
  Availability: Samples are tested Monday-Friday.
  Aliases/Synonyms: A1c,   GHB,   HbA1c,  
  Code: GHB
  Handling Instructions (to laboratory): Send sample chilled.
  Hyperlink:
  Reference Interval:
<6.0% (<42 mmol/mol)

Screening:
HbA1c >=6.5% is consistent with diabetes mellitus or overt diabetes in pregnancy (ADS 2023, ADIPS 2025).

Monitoring: 
HbA1c target for glycaemic control is <7% (<53 mmol/mol). 
Prior to conception, HbA1c target is < 6.5% (<48 mmol/mol).


Collection Requirements
  Container: EDTA (LAVENDER),  
  Sample Type: See container
  Minimum Collection Volume:
  Collection Instructions:


Processing Requirements
  Alternate Containers:
  Processing Instructions:
  Minimum Assay Volume: 200uL
  Stability: 7 days chilled
  Transport Instructions (to testing laboratory): Send sample chilled.


Testing Locations
  Performed at:
Section Department Site Contact Phone
Core Biochemistry QEII Medical Centre 6383 4093


Last Updated : 29-08-2025 14:04