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Cryoglobulin Testing Service

Due to availability of staffing and equipment the Cryoglobulin service at Solihull Hospital has been temporarily suspended.

For further information please contact the Immunology laboratory on 42105

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Haematology Critical Telephone Values

 The following criteria will be used to telephone abnormal haematology results;

 Haemoglobin  White Blood Cell Count

 <80 g/L normochromic and normocytic

<70 g/L microcytic and hypochromic

<70 g/L macrocytic

<50 g/L renal patients

Low result – neutropenia <0.5 x 109/L                                                                                    

High result –

White cell count >40 x 109/L or

Lymph count > 20 x 109/L

Any presence of blast cells  

 Platelets  Sickle Test

 Lower limit - <70 x 109/L

Upper limit - >1000 x 109/L

 Positive (urgent requests only)


All Positive Malaria Screens


 Clotting Studies

  G6PD Assay

INR - >5.0                             

PTT - >180 seconds                                                

Fibrinogen - <1.0g/L

D-Dimer results > 243 ug/mL   (GP/ Outpatients)                                                     

All Anti FXa results >1.20 iu/mL 

  ≤6.4 IU/gHb





 All CD34 Quantitation’s  All FMH Quantitation’s




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Changes to GAD ( Glutamic Acid Decarboxylase) assay

There has been a change in the manufacturer of the kits used for detection of GAD (Glutamic Acid Decarboxylase) antibodies. The reference range has changed to negative 0- 5 IU/mL. Storage conditions within the laboratory have also changed so that the samples are stored at - 20C. There are no other changes to the assay.
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The laboratories at Heartlands Hospital, Good Hope Hospital and Solihull Hospital form part of the services provided by University Hospitals Birmingham and are UKAS (United Kingdom Accreditation Service) accredited to the ISO 15189:2012 standard. For a list of accredited tests and other information please visit the UKAS website using the following link: https://www.ukas.com/find-an-organisation/

  • Heartlands, Good Hope and Solihull Hospital pathology laboratories are a UKAS accredited medical laboratory No.8217
  • United Kingdom Health Security Agency laboratory is a UKAS accredited medical laboratory No.8213

Tests not appearing on the UKAS Schedule of Accreditation currently remain outside of our scope of accreditation. However, these tests have been validated to the same high standard as accredited tests and are performed by the same trained and competent staff.

For further test information, please visit the test database: http://www.heftpathology.com/frontpage/test-database.html.

For further information contact Louise Fallon, Quality Manager, 0121 424 1235