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Blood Sciences (folder)


The Andrology department is based within Pathology at the Maelor Hospital, Wrexham. The department provides testing for male fertility, post-vasectomy analysis and retrograde ejaculation investigations.

  • samples are accepted by appointment only
  • a test request form must be provided by a clinician before an appointment can be made

There is a clinic room available for sample production for patients that live greater than 45 minutes travel time away from the pathology laboratory. This is available by appointment only.

Information on collection and delivery of samples is provided in the semen analysis kits that are available from the doctor or the laboratory.

The kit includes:

  • A questionnaire: this must be filled in on production of the sample and brought to the laboratory along with the sample.
  • Sample collection pot: The sample collection pot provided with the kit MUST be used – no other collection pots will be accepted.
  • Sample production instructions: Please read the sample production instructions within the kit when the kit is received and follow the instructions when producing the sample or it may be rejected.

Results should be available from the clinician 14 days after the sample is received.

Contact details

Telephone: 03000 857 224, phone lines open 9am-12pm, Monday to Friday

Blood Transfusion

The Transfusion service provides testing and blood component supply to support the clinical care of patients. This is supported by a team of Transfusion Practitioners providing clinical advice and supporting clinical staff training.

Clinical Biochemistry and Haematology

The department offers a broad spectrum of tests for the diagnosis and monitoring of disease, and response to therapy. These will measure levels of specific cellular, biological and chemical components of body fluids required to assess or monitor the function/dysfunction of organs.

Tests include blood glucose, electrolytes, enzymes, hormones, lipids (fats), other metabolic substances, drug analysis, full blood count, plasma viscosity, erythrocyte sedimentation rate, infectious mononucleosis and Malaria screen. These tests are performed using fully automated and sophisticated equipment, able to handle high volumes, and make results available within a very short turnaround time.


Immunology specialises in investigating abnormalities and disturbances of the immune system.

Our department offers a comprehensive range of investigations to assist clinicians caring for those patients with autoimmune, rheumatological, renal, allergic, neurological, gastrointestinal disorders and immunological deficiencies.

Laboratory Investigations include:

  • Autoimmune disease
  • Allergy
  • Specific proteins
  • Immune deficiency

The Phlebotomy service is responsible for collecting blood samples.

All blood sample for laboratory testing will be collected by an appropriate health care worker via your GP or other Health Care Professional.

When referred you will be directed to the appropriate phlebotomy service, where your sample/s will be referred to the laboratory.

Any questions regarding your tests should be directed to your GP or Health Care Professional.


Everyone coming into our hospitals will be provided with a fluid resistant facemask on arrival.

Phlebotomy Services

  • GP Phlebotomy Appointment Line (Opening Time: 8:30 - 17:00 Mon to Fri).
  • Tel: 03000 850047 (English and Welsh options available).

Patient Preparation

  • Certain tests require special patient preparation; details will be given by appropriate health care professional. Patients should continue to take their medication unless instructed differently by their Doctor.
  • If fasting is required patients must not eat or drink (except water) for a minimum of 11 hours prior to having their blood taken. During this time patients should not smoke, chew gum or exercise. After the specimen has been taken normal diet may be resumed.