Seronegative RA is rheumatoid arthritis where the blood test, rheumatoid factor and the CCP (cyclic citrullinated peptide) antibody are negative.
Isifo sokuqaqamba kwamathambo esingenazo izilwi-buhlungu ezisegazini sisifo sokuqaqamba kwamathambo esineziphumo zegazi ezingenazo izilwi-buhlungu kuhlolo lwegazi, kwizilwi-buhlungu zesifo sokuqaqamba kwamathambo nakwiCCP (cyclic citrullinated peptide).