how they test for chlamydia
Chlamydia tests use a sample of body fluid or urine to see whether chlamydia bacteria (Chlamydia trachomatis) are present and causing an infection. Chlamydia is the most common bacterial sexually transmitted infection (STI) in the United States.Tests used to find a chlamydia infection include:1  Nucleic acid amplification tests (NAAT) . 2  These tests find the genetic material (DNA) of chlamydia bacteria. 3  These tests are very good at identifying chlamydia.ests used to find a chlamydia infection include: 1  Nucleic acid amplification tests (NAAT) . 2  These tests find the genetic material (DNA) of chlamydia bacteria. 3  These tests are very good at identifying chlamydia.