Laboratory Medicine

Test Directory / Citrullinated Protein Antibody

Citrullinated Protein Antibody

Brown clotted serum, gel barrier

Test	Citrullinated Protein Antibody
Common Abbreviations	ACPA CCP
Profile	Other types of citrullinated protein antibodies include anti-CCP
Clinical Indication	Is recommended to test in patients with suspected Rheumatoid arthritis, and can be useful in early diagnosis of disease. Please note; should not be used to monitor disease. Please see www.nice.org.uk/guidance/CG79/Chapter/recommendations for further information.
Specimen Type	Blood
Sample Type	Serum
Minimum Volume	5 ml
Special Precautions	No special requirements
Stability	14 days
Turnaround Time	7 Days
Laboratory	Hull Royal Infirmary, Anlaby Road, Hull HU3 2JZ
Reference Interval	< 20.00 CU is negative
Limitations	The assay should not be performed on grossly haemolysed or grossly lipaemic samples. Only serum samples will be accepted

Update for visitors

Visiting restrictions are in place at our hospitals to stop the spread of norovirus. These restrictions will be in place until further notice.

The following wards are closed to visitors:

York Hospital: Ward 29 and Ward 37.

There are four exceptions only to the restrictions. These are:

For patients who are receiving end of life care

Paediatric patients (babies and children)

Maternity care

The family carers of those with dementia

We understand these restrictions can be difficult when a loved one is unwell. The restrictions will be reviewed daily and lifted as soon as it is safe. Thank you for your understanding as we try to reduce the spread of norovirus in our hospitals.