My understanding is that you do NOT have to have the gene to be DXed.
someone will post the numbers,
Small business owner, 53 / mother of 5, Fort Worth, Texas
Remicade, Seroquel, Folic Acid, MTX
Undifferented spondylopathy HLA-B27+ (onset 2007- DXed 2008) with associated uveitis, psoriasis
EPI and IBS - gastritis due to NSAIDs
Right Hip replacement 2017 with subsequent 4" heterotopic ossification (removed 2019)