The evaluation of chlamydia trachomatis begins with a history and physical examination, including a pelvic examination in women.

The physical examination is usually normal.

Tests are necessary to confirm the diagnosis of chlamydia trachomatis.

Tests that may be used to evaluate chlamydia trachomatis include:

• Complete blood count:
• Helps assess the severity of infection
• Serologic testing for chlamydia.
• Urine testing for chlamydia.
• Blood test for syphilis

Additional tests performed in men:

• Urethral swab testing for chlamydia in males

Additional tests performed in women:

• Cultures of the cervix: can detect gonorrhea and Chlamydia
• Pelvic ultrasound:
• Can detect pregnancy and various complications
• Pregnancy test

Less commonly that may be used to evaluate chlamydia trachomatis include:

• CT scan of the pelvis:
• Can detect an tubo-ovarian abscess or other complications