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Investigations Referred to Other Laboratories

Microbiology Department

Test Sample Required Approx time result back to lab Location
Salmonella / Shigella / Campylobacter / Yersinia / E.coli O157, Vibrio Bacterial growth 17 days PHE Colindale
Listeria Bacterial growth ID of pure cultures 14 days
H.pylori Gastric biopsies in saline or Dents medium 15 days
Neisseria gonorrhoeae Bacterial growth 7 days
Streptococci / Haemophilus / Bordetella Bacterial growth 12 - 15 days
Legionella Urine 8 days
 
LRT samples
 
Bacterial growth
Mycoplasma Resp sample, CSF, joint fluid PCR - 5 days
 
Culture - 42 days
Bordetella PCR Pernasal swab Variable
 
NPA
Staphylococcus / Gram neg typing and ID / Enterocuccs Gram positive bacilli / Pseudomonas Bacterial growth 1 - 15 days
Streptococcus / Diphtheria Bacterial growth 15 days
 
6 days
 
PCR result 24hrs of receipt of pure culture
CDT Ribotyping Faeces 14 days CDRN, Southampton General Hospital
Mycoplasma genitalium / Ureaplasma urealyticum/parvum PCR Urogenital and urine samples 3 days Micropathology Ltd.
Listeria PCR Primary sample 1 day
PCP PCR BAL 2 days
Meningococcus CSF - Meningo / Pneumo PCR CSF or growth Serotyping usually 1 day / PCR 1 day Meningococcal Reference Unit, Manchester
   
EDTA blood  
   
  Complete report generally within 7 - 10 days
Cryptosporidia Faeces 10 days Cryptosporidium Reference Unit, Swansea
Anaerobes Bacterial growth 14 days Anaerobic Reference Laboratory, Cardiff
Beta D-Glucan - Invastive fungal infections Gold top Serum 3 days Mycology reference laboratory, Bristol
Mycology ID / sensitivity Fungal growth 10 days
Cryptococcus CSF for PCR 9 days
 
Pure growth
CSF for antigen 1 day St.George's Hospital
Mycobacteria Positive growth or sample if direct PCR required PCR 1 day National Mycobacterium Reference Laboratory, London
 
 
 
ID + sens 14 days
Tspot TB Heparinised blood 2 days Oxford Immunotech
Acanthomoeba Eye scrape/contact lens / contact lens solution 7 days London School of Tropical Medicine
Ova / cysts Faeces 6 days
 
Parasites Confirmation of ID
Bugs & Insects Bug / Insect 5 days Hospital of Tropical Diseases
Rare and imported pathogens Various 12hrs - 21 days Special Pathogens Reference Unit
 
PHE, Porton Down
ADA for TB Ascites, pleural fluid, CSF 7 days Purine Research Laboratory, St.Thomas's Hospital
Toxoplasma  CSF 10 days Toxoplasma Reference Laboratory, Swansea
16s PCR Various 7 days Great Ormond Street Hospital
PVL Various 14 days Royal Surrey County Hospital

 VIROLOGY      
       
       

Test

Samples required

Approx time for result back to lab

Location

Alphavirus

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

Adenovirus PCR

4 mls EDTA

2 days

Micropathology

Amoebic Serology

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Arbovirus

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

Arthropod borne viruses

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

Schistosomiasis

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Brucella

4 mls clotted blood

10 days

Brucella Reference Laboratory (Liverpool)

Camplylobacter serology

4 mls clotted blood

10 days

Specialist Virology Unit Preston

Chikungunya

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

Chlamydia serology (Infertility)

4 mls clotted blood

10 days

HPA South West Bristol

CMV serology*

4 mls clotted blood

2 weeks

Virology Department Royal Free Hospital London

CMV PCR

4 mls EDTA blood / urine / Tissue

2 days

Micropathology

Coxiella*

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

Cryptococcal Ag

4 mls clotted blood

10 days

Mycology Reference Unit (Leeds)

Dengue Fever

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

Fasciola

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Filaria

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Flavivirus

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

Galactomannan

4 mls clotted blood

10 days

HPA South West

Herpes 6&7

4 mls clotted blood / CSF

10 days

HPA East of England (Cambridge)

HSV antibodies

4 mls clotted blood

10 days

London South Specialist Virologist Centre (Kings)

Hydatid

4 mls clotted blood

15 days

HPA Parisitology Reference Laboratory (UCL)

Leishmaniasis

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Leptospira

4 mls clotted blood

10 days

Leptospira Reference Unit (Hereford)

Measles IgM

4 mls clotted blood

10 days

HPA Virus Reference Department (Colindale)

Meningococcus PCR

CSF / 4 mls clotted blood

10 days**

Meningococcal Reference Unit (Manchester) 

Mumps IgM

4 mls clotted blood

10 days

HPA Virus Reference Department (Colindale)

Pneumococcal PCR

CSF / 4 mls clotted blood

10 days**

Meningococcal Reference Unit (Manchester)

Psittacosis*

14 mls clotted blood

10 days

HPA South West (Bristol)

Rabies

4 mls clotted blood

1 month

Veterinary Lab Addlestone

Rickettsia

4 mls clotted blood

10 days

Special Pathogens Reference Unit (Porton Down)

Schistosoma

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Strongyloides

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Teicoplanin Level

4 mls clotted blood

24 hours

Bristol Antimicrobial Laboratory

(telephoned report)

Toxocara

4 mls clotted blood

10 days

HPA Parisitology Reference Laboratory (UCL)

Toxoplasma confirmatory serology*

4 mls clotted blood

10 days

Toxoplasma Reference Laboratory (Swansea)

West Nile

4 mls clotted blood

10 days

Special Pathogens Unit (Porton Down)

 ZIKA ( FULL clinical details and travel history required)

 4 mls clotted blood, EDTA & Urine

 10 days

 Special Pathogens Unit (Porton Down)

* Those tests marked with asterix are carried out at St Peter's Hospital before referral.

** A positive result will be telephoned as soon as the reference lab have informed the department of the result

OTHER TESTS MAY BE AVAILABLE, PLEASE CONTACT THE LABORATORY TO DISCUSS.

 

Functional antibody tests performed in Immunology

  • Pneumococcal antibodies
  • Tetanus antibodies
  • Haemophilus influenzae antibodies
  • Aspergillus Precipitins