Austin Pathology

Test Directory

Search in the bar above for available tests.
Type any letter of the alphabet to be presented with all available results for that letter.

Chromogranin A

Alternate Names
CgA
Ordering Information

Chromogranin A is a neuroendocrine tumour marker.

Serum is the preferred sample type. 

Lithium Heparin is accepted but plasma results may be systematically higher than serum and results from serum and plasma should not be compared directly.

 

Laboratory
Referred Test
Specimen
Blood
Container
Serum tube (gold top)
Collection Instruction
Collect at room temperature
Minimum Adult Volume
5mL
Minimum Paediatric Volume
None
Frequency
Once a fortnight
Reference Interval
27 - 94 ug/L
Test Code
CGA
Container ID
S, SP, LH, LHP
Opt. Container
Lithium Heparin - Gel (mint green)
Storage Instructions
Store serum frozen at - 20 deg C
Additional (Storage) Instructions

Minimum volume of serum/plasma required is 500uL.

Chromogranin A is stable in serum/plasma samples stored at 4 degrees up to 48 hours after collection.

For samples collected in regional centres, transport serum/plasma at 4 degrees to Heidelberg ensuring samples are received well within the 48hr period.

If samples are not expected to arrive in Heidelberg within 48hrs of collection, please freeze and send frozen.

CSR Heidelberg: Please freeze all serum/plasma samples received. 

Transport Instructions
Transport frozen on dry ice
External Laboratory
Pathology Department Peter MacCallum Cancer Centre