Abdominal Fat Aspirate and Congo Red Staining (Others)

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Testing Laboratory

Counties Manukau | Middlemore Hospital

Department

Haematology

Delphic Registration Code (Alpha Code)

AFA

Test Code (Numeric Code)

1799

Laboratory Handling

Sample Stability

Slides are prepared and fixed on the day of collection. Fixed slides can be stained within 1 year of collection. Once stained, the films should be stable for at least 1 year.

Synonyms

Fat Biopsy for Amyloid Detection, Abdominal Fat Pad Biopsy with Congo Red Stain, Fat Pad Aspirate for Amyloid

Turnaround Time

2 weeks

If mass spectrometry is required for confirmation, the sample will be sent to the University of Auckland. Mass spectrometry costs $1,100 and funding needs to be agreed upon prior to sample acceptance.

Specimen Type

  • Aspirate

Specimen Requirements

Tube/Container Type:

Preferred
  • Please refer to Additional Information below

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Please refer to Additional Information below

Pre-testing Requirements

The procedure needs to be organised in advance with the Haematology Day Ward and Special Haematology in the Laboratory.

Additional Specimen Information

Fat aspirate collected in a syringe and transferred into a Petri dish.

Last updated: 14/11/2025