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Biochemistry

TAU protein (Asialotransferrin) - Query CSF leak

TAU protein (Asialotransferrin) - Query CSF leak

Reference Range

Provided by reference laboratory

  • Turnaround Time: 1 week
Magnesium (urine)

Magnesium (urine)

Reference Range

2.4-6.5 mmol/24hr

Related Tests Magnesium (serum)

Testosterone

Testosterone

Reference Range

Adults (Alinity immunoassay):

Female: <1.9 nmol/L

Male aged 18-49 years: 8.3 - 30.2 nmol/L

Male aged >50 years: 7.7 - 24.8 nmol/L

 

Adults (mass spectrometry):

Female: <1.9 nmol/L

Male: 7.0-27.0 nmol/L

  

Paediatrics:

Group

Testosterone (nmol/L)

Neonates

Not reported (can be elevated during year 1)

Female Tanner 1

<0.6

Male Tanner 1

<0.7

 

Reference for mass spectrometry reference ranges: 

  • Kushnir et al (2010). Liquid Chromatography–Tandem Mass Spectrometry Assay for Androstenedione, Dehydroepiandrosterone, and Testosterone with Pediatric and Adult Reference Intervals. Clinical Chemistry 2010:56;1138–77.
  • Turnaround Time: 24 hours (immunoassay), 5 working days (mass spec)

Related Tests Follicle Stimulating Hormone (FSH) Luteinising Hormone (LH)

Theophylline

Theophylline

Reference Range

Therapeutic range: 10-20 mg/L (Pre-dose)

  • Minimum time for patient to reach steady state without loading or after dosage change is 2 days
  • Turnaround Time: 24 hours
Faecal Elastase-1

Faecal Elastase-1

Reference Range

Normal: >200 ug/g

Mild to moderate exocrine pancreatic insufficiency: 100 – 200 ug/g

Severe exocrine pancreatic insufficiency: <100 ug/g

  • Turnaround Time: 15 days
Adrenocorticotrophic Hormone (ACTH)

Adrenocorticotrophic Hormone (ACTH)

Reference Range

6 to 51 ng/L.

  • Turnaround Time: 5 days

Related Tests Cortisol

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Protection of Personal Information – Pathology Laboratories Services comply with the Trust Data Protection Policy and have procedures in place to allow the Directorate and it’s employees to comply with the Data Protection Act 1998 and associated best practice and guidance.

The laboratories at Queen Elizabeth Hospital, 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 15189:2022 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/ 

  • Molecular Pathology is a UKAS accredited medical laboratory No. 8759
  • Biochemistry is a UKAS accredited medical laboratory No. 8910
  • Haematology and Transfusion is a UKAS accredited medical laboratory No. 8784
  • Clinical Microbiology is a UKAS accredited medical laboratory No. 8760
  • Cellular Pathology is a UKAS accredited medical laboratory No. 10141
  • 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: https://qehbpathology.uk/test-database 

For further information contact Louise Fallon, Quality Manager, 0121 371 5962/ 0121 424 1235