Aspergillus antigen (Galactomannan)

Test information: Detection of Aspergillus antigen (galactomannan) is appropriate for the diagnosis of invasive aspergillosis in immunocompromised patients.

Availability: Referred to Severn Pathology North Bristol NHS Trust: Monday - Friday during routine hours: 08:45 - 17:15.

Turnaround Time: 10 Day upon receipt at Severn Pathology North Bristol NHS Trust

Specimen Type(s)

• Bronchoalveolar Lavage;
• Clotted blood;

Other Acceptable Specimen Type(s)

N/A

Specimen Container - Adult

• Gold Top SST BD;
• Sterile CE-marked Universal Container;

Specimen Container - Paediatric

• Plain Top Sarstedt;
• Sterile CE-marked Universal Container;

Analytes

• Aspergillus antigen (Galactomannan);

Part of a test profile?

N/A

Volume (min) of sample to be sent to laboratory

5-10mL

Patient Preparation, Sample Handling and Transport

• Minimum-clotting time 30 minutes.
• Specimens should be transported to the laboratory as soon as possible.
• Outside of normal hours samples should be refrigerated (2 °C to 8 °C).

Maximum add on time

N/A

Units and Reference Ranges / Interpretation

Aspergillus antigen test: Negative / Positive.

Index value: An index value of 0.5 or greater is considered a positive result for serum samples. A higher index value of greater than 1 would be considered positive for Bronchoalveolar lavage samples.

This result should be interpreted in the context of patient history, clinical signs/symptoms, and other routine diagnostic tests (e.g., culture, histologic examination of biopsy material, and radiographic imaging).

UKAS number

8043

UKAS accredited test?

Yes

Comments

N/A

If you have any queries about a test or results interpretation please contact us.