P50

Description: 
Oxygen Dissociation Curve
Clinical details: 
High Affinity Haemoglobin screen, polycythaemia
Related condition or disease: 
High affinity haemoglobin carriers
Reference range: 

24-30 mmHg

Synonyms or keywords: 
P50, High affinity Haemoglobin, High affinity Hb, Oxygen dissociation
Department: 
Special Haematology Department
Location: 
Blackfriars Hub
Sample type and Volume required: 
Whole Blood
Call in advance: 
By prearrangement only
Turnaround time: 
4 working days
Special sample instructions: 

To be received with a normal control sample

Criteria for acceptance / rejections of sample
Storage and transport: 
EDTA
Contacts:
For clinical advice or interpretation of results, please contact the laboratory in the first instance.
Laboratory: 
Red Cell Laboratory at the Blackfriar’s Hub

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Last updated: 25/06/2026