Laboratory turnaround times

The times stated represent the time taken to process 95% of investigations and exclude weekends and bank holidays

Clinical Biochemistry
CA1251 Day
Renal Profile: Sodium/Potassium/Creatinine1 Day
Urea1 Day
Proteins1 Day
Protein Electrophoresis3 Days
Immunoglobulins(IgA, IgM, IgG)7 Days
Liver Profile1 Day
Bone Profile Lipids:1 Day
Cholesterol/Triglycerides/HDL/LDL/Cholesterol HDL Ratio1 Day
Glucose1 Day
HbA1c2 Days
Thyroid Function: Free T4/TSH1 Day
Endocrinology: LH and FSHProlactin/Testosterone/Progesterone1 – 2 Days
Troponin1 Day
Urate1 Day
Faecal Occult Blood1 – 2 Days
Drugs of Abuse14 Days
ACE3 Days
CSF Protein1 Day (In urgent cases results are available within 1 hour of reciept of the specimen within the department.)
PTH7 Days
To achieve the above times, specimens must be received by 3p.m. at the latest. For requests involving a large range of analytes, add 1-2 days

 

Haematology
Full Blood Count: Hb/RBC/WBC/Platelets1 Day
Film Microscopy1 Day
ESR1 Day
INR1 Day
IM Test1 Day
Clotting Screen1 Day
D Dimer1 Day
Ferritin2 – 4 Days
Vitamin B122 – 4 Days
Folate2 – 4 Days
Thrombophilla14 Days
Sickle screen test1 Day
Haemoglobinopathy Screen – Antenatal Patients3 Days
Haemoglobinopathy screen non-antenatal patients3 – 5 Days
Review of results by Consultant Haematologist may delay release of final report. Please phone for advice if clinically indicated
Immunology
Requests for more than one test will increase the turnaround time. Please note, the following immunology turnaround times stated are working days
ANA, ENA, DNA14 working days
Rheumatoid Factor7 working days
Thyroid Antibodies10 working days
Coeliac Screen14 working days
Cardiolipins10 working days
Cyclic Citrillated Peptide (CCP)10 working days
ANCAUp to 14 working days depending on clinical urgency. Please phone Immunology for advice.
Review of results by Consultant Immunologist may delay release of final report. Please phone for advice if clinically indicated.
Blood Transfusion
Blood Group and Antibody Screen1 – 2 Days
Cord Blood – Group and Coombs1 Day
Antibody Identification4 Days or 1 day prior to planned surgery
Blood Transfusion send away tests
HLA B272 – 3 weeks
Immunological refractoriness to platelets HLA type5 working days
Platelet Immunology Platelet antibody specificity (e.g. NAIT)7 working days
HIT5 working days
HIT – Urgent result1 working day
Platelet associated immunoglobin (PAIg)3 working days
Other drug induced thrombocytopenia21 working days
Fetal HPA typing3 working days
Granulocyte immunology All tests21 working days
Haematopoietic stem cell transplantation HLA class I and II7 working days
Urgent report1 working day
Solid organ transplantation HLA class I and II7 working days
HLA antibody screen3 weeks
Urgent result1 day
Immunogenetics All tests5 working days
Depending on the complexity and urgency of tests, turnaround times may vary. To achieve the above times, specimens must be received by 3p.m. at the latest

 

Microbiology
Urine Culture24 – 48 hours
Faeces48 – 72 hours
C. Difficile24 hours from receipt of specimen
Wound swabs, pus etc48 – 72 hrs. Up to 5 days for prolonged anaerobic culture
Genital swabs – culture24 – 72 hours
Genital swabs – Chlamydia1 – 6 days
Eye swabs – Chlamydia1 – 6 days
ENT and Eye swabs24 – 48 hours
Sputum and other Lower Respiratory Specimens24 – 48 hours
RSV (Respiratory Syncytial Virus) screen24 – 48 hours
Tuberculosis investigation24hrs for stained smear. Up to 6 weeks for culture
CSF Culture (In urgent cases, cell counts, and gram stain are available in approx 1 hour)24 – 48 hours
CSF Microscopy (In urgent cases, cell counts, and gram stain are available in approx 1 hour)3 hours from receipt of specimen
Blood culture (A positive blood culture is always telephoned as soon as this is apparent)1 – 5 days
MRSA screen48 – 72 hours
Fluid aspirates24 – 48 hrs. Up to 5 days for liquid culture
Fungal (Skin, hair and Nail)24 hours for microscopy. Up to 21 days for culture
Semen (MFT & Post Vasectomy)These will be examined upon day of receipt and resulted within two working days
Pregnancy Tests24 Hours
Helicobacter pylori culture5 days for negative cultures, 8 days for positive cultures
Serology
Hepatitis A, B, C (Positive screening results telephoned to requester. Reference laboratory confirmation about 7 days)1 – 7 days
HIVRoutine test 3 Days. Allow a further 12 – 14 days for ref. Lab Confirmation of Positive Result.
Other miscellaneous serology1 – 7 days
Antenatal screening1 – 7 days
H. Pylori Antigen1 – 4 days
Serology and Viral studies referral to Health Protection Agency LaboratoriesUp to 3 weeks
In cases of exceptionally urgent needs, some investigations can be expedited if specific arrangements are made

 

Cellular Pathology
Autopsies
Autopsies7 days from receipt of all necessary information, including special investigations such as Histology, Toxicology and Microbiology
Histopathology
Histology per case2 – 5 working days from receipt, unless referred for specialist opinion or investigations
Cytopathology
Cervical SmearWithin 8 days of receipt
Non GynaeWithin 3 working days of receipt, unless referred for specialist opinion or investigations

 

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