RAG Calculator
BMI
Cardiac issues
None
No/minimal limitation
Significant limitation
Respiratory issues
None
No/minimal limitation
Significant limitation
Neurological issues
None
No/minimal limitation
Significant limitation
Psychiatric issues
None
No/minimal limitation
Significant limitation
Can they get out of the house on their own?
Yes
No
Diabetes
None
Not on Insulin and HbA1c < 69
On Insulin or HbA1c > 69
HbA1c > 100
Age >80 for knee or >85 for hip
No
Yes
Recent hospital admission (past 6 weeks)
No
Yes
Anaemia
No
Hb > 110
Yes and needs investigation
On renal replacement therapy
No
Yes
How many non-analgesic medications?
Revision surgery or complex primary
No
Yes
On Clopidogrel / Ticagrelor / Prasugrel
No
Yes
On DOAC (Apixaban / Rivaroxaban / Dabigatran etc)
No
Yes
On GLP1 agonist
No
Yes
On Immunosuppressants
No
Yes
Patient needs more than 24 hours notice
No
Yes
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