<s>[INST] Respected doctor, my wife is suffering from joint pain for past some months. today we have taken a lab test. it shows RH FACTOR NEGATIVE,,URIC ACID 5.6 ASO ..POSITIVE could you please let me know what is ASO, does she need any surgery ? is it very harmful? expecting your valuable consult .thanking you sir [/INST] your tests suggest that she has seronegative arthritis.an aso titer in an adult does not have much value, it was not required to be done in the first place. </s>