Cryoglobulins
Department of Immunology
Notes
- Sample must be taken and maintained at 37°C
- Please ensure all equipment is warmed to 37°C prior to taking the sample.
- If unsure about sample requirements, or if a hot box is required for sample transport, please contact the Immunology laboratory
- This test is useful in some cases of vasculitis
- Positive cryoglobulin samples are referred to the Immunology laboratory at Northern General Hospital, Sheffield for cryoglobulin phenotyping.
- Please note: this test does not conform to CPA standard H5.4 as no external quality assurance scheme is available. Therefore, this test is not accredited by CPA.
Sample Requirements
Adult

Paediatric

Turnaround Times
- 7–10 days (positive / negative screen)
- 3–4 weeks (fully phenotyped cryoglobulin; if positive)