Cryptococcus Serology
Alias: CRAG, Cryptococcal antigen, Cryptococcus neoformans
Discipline: Virology
Test information: Diagnosis of infection with Cryptococcus neoformans typically associated with immunosuppression.
Availability: Referred to Severn Pathology North Bristol NHS Trust: Monday - Friday during routine hours: 08:45 - 17:15.
Turnaround Time: 3 Days upon receipt at Severn Pathology North Bristol NHS Trust
- Specimen Type(s)
-
- Cerebrospinal fluid;
- 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
-
- Cryptococcal antigen;
- Part of a test profile?
- No
- Volume (min) of sample to be sent to laboratory
-
Blood 2.5 - 5mL
CSF Minimum 0.5mL - 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).
- This test should only be requested when clinical evidence suggests the diagnosis of Cryptococcal disease. Please contact a consultant microbiologist.
- Please state the following date of onset of symptoms, any relevant clinical details and indicate type of immunosuppression.
- Maximum add on time
- N/A
- Units and Reference Ranges / Interpretation
-
Results: Negative / Positive
(NEAT specimen or titre given). - UKAS number
- 8043
- UKAS accredited test?
- Yes
- Comments
- N/A
If you have any queries about a test or results interpretation please contact us.
Last updated: 06-06-2023