What type of doctor can order a hla b27?

Rheumatologist: On an internist or family doctor can order it if indicated.

Any physician: It depends what you want an hla b-27. You need an approved diagnosis if you can get it done by the laboratory with the approval of the insurance company that will pay for it. It is a genetic marker that may help guide you to a correct diagnosis - for back pain to see if there is a connection to an inflammatory spondylitis and to see if it is related to the diagnosis for iritis.