Pathology Handbook

Full Blood Count

Synonyms 

FBC, Blood count, Differential, Film 

Clinical Indications 

Routine screening test for the investigation of haematological disorders and monitoring treatments 

Request Form  

Request via ICE 

Availability 

Daily 

Specific Criteria 

 - 

Patient Preparation 

None 

Turnaround Time 

Same day 

Specimen 

EDTA 

Volume 

4.5 ml 

Container 

Purple top (EDTA) tube 

Vacutainer purple top

 

Causes for Rejection 

Incorrect sample identification, inadequate/ clotted/ grossly haemolysed/ age of sample   

Reference Range 

Male/ female age related ranges are reported on patient test report.      

If analyser results exceed local reflex limits then a peripheral blood film will be reviewed microscopically. Specific cases will be referred to Consultant Haematologist for review and clinical comment. Where appropriate referral to Consultant Haematologist will be suggested.