Blood Film

Morphological examination of white blood cells, red blood cells and platelets using light microscopy. It is automatically performed in the laboratory if the full blood count falls outside pre-defined criteria, or may be directly requested. Stained using Wright-Giemsa.
Reviewed by specialist HCPC registered Biomedical scientists.
Reference range: 


Synonyms or keywords: 
Blood smear; Blood cell morphology
Sample type and Volume required: 
Whole blood collected into EDTA anticoagulant
Call in advance: 
Turnaround time: 
Urgent films within 24 hours; non urgent within 48 hours
Special sample instructions: 

Sample should be less than 24 hours old;

Storage and transport: 
Avoid direct heat
Blood Sciences Department-Guy's And St Thomas' Hospital
St Thomas' Hospital
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Contact: 020 7188 9247

Guy's Hospital
Southwark Wing - 4th Floor
Great Maze Pond
London SE1 9RT
Contact: 020 7188 4781
Haematology Laboratory at Guy's and St Thomas' Clinical Advisory Service
Routine hours: bleep 1358
Paediatrics Routine hours: bleep 1621

Out of hours, weekend and bank holidays: 17:00-9:00 bleep 0294
For clinical advice or interpretation of results, please contact the laboratory in the first instance.

Print as a PDF

Last updated: 07/08/2015