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It's Best to Test for sexually transmitted infections

Sexually transmitted infections (STIs) are on the rise for the 6th year in a row, yet many STIs are undetected as people often do not have symptoms.1,2 Patients with asymptomatic infections do not seek testing, leading to increased transmission and complications in females, yet screening rates remain low.3


Universal screening with opt-out for chlamydia and gonorrhea is the right approach for patient care

Universal screening with opt-out can help ensure that your female patients ages 15-24 can be identified and treated, thereby reducing their risk of developing pelvic inflammatory disease and ultimately protecting their fertility.

At least 20,000 females each year become infertile due to untreated STIs that lead to pelvic inflammatory disease (PID)5,6

 


of CT and NG cases are asymptomatic in females7

ALL FEMALES AGED 15-24
 

May be included in a universal screening with opt-out program, per 2021 CDC guidelines8

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SEXUALLY ACTIVE FEMALES 25 AND OLDER

Should be screened if at increased risk for infection8

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Ordering the right test at the right time

Screening for STIs is recommended for women at all stages of their lives. The intuitive tables below can help guide your discussions for patient-focused testing recommendations.
 

Chlamydia/Neisseria gonorrhoeae

Test code 11363

  • Annual screening is recommended for females ages 15-248
  • Screening is recommended for women 25 and over at increased risk8a
  • Panel components can be ordered separately:
    • Test code 11361—Chlamydia trachomatis RNA, TMA, Urogenital
    • Test code 11362—Neisseria gonorrhoeae RNA, TMA, Urogenital

Trichomonas Vaginalis

Test codes 19550, 90521

  • Screening for Trichomonas vaginalis should be performed on women seeking care for vaginal discharge8
  • Screening might be considered for women receiving care in high-prevalence settings and for asymptomatic persons at increased riska for infection
  • The use of highly sensitive and specific tests, such as NAAT, are recommended over less-sensitive methods including wet-mount microscopy8b

Chlamydia Trachomatis

Test code 11363

  • All pregnant women aged <25 years or older women at increased risk for infection should be screened during their first prenatal visits8
  • Those aged <25 years and those at increased riska for chlamydia should be retested during their third trimester8
  • Those found to have chlamydial infection should have a test-of-cure (preferably by NAAT) 3 to 4 weeks after treatment and retested at 3 months8

Neisseria Gonorrhoeae

Test code 11363

  • All pregnant women aged <25 years and older women at increased riska for gonorrhea should be screened at their first prenatal visits8
  • Women found to have gonococcal infection should be treated immediately and retested within 3 months8
  • Those who remain at high riska for gonococcal infection should be retested during the third trimester8

Trichomonas Vaginalis

Test codes 19550, 90521

  • Women who report symptoms should be evaluated and treated appropriately
  • Evidence does not support routine screening for Trichomonas vaginalis in asymptomatic pregnant women

Chlamydia/Neisseria gonorrhoeae

Test code 11363

  • For sexually active individuals, screen at first HIV evaluation, and at least annually thereafter8
  • Panel components can be ordered separately:
    • Test code 11361—Chlamydia trachomatis RNA, TMA, Urogenital
    • Test code 11362—Neisseria gonorrhoeae RNA, TMA, Urogenital
  • Specific testing includes NAAT for C trachomatis at the anatomic site of exposure as the preferred approach

Trichomonas Vaginalis

Test codes 19550, 90521

  • Recommended for sexually active women at entry to care and at least annually thereafter8

Chlamydia Trachomatis

Test code 11363

  • Women and men should be retested approximately 3 months after chlamydia treatment8c
  • If retesting at 3 months is not possible, you should retest whenever your patient next receives medical care in the 12 months following the initial treatment8

Neisseria Gonorrhoeae

Test code 11363

  • Patients with symptoms that persist after treatment should be evaluated by culture for gonorrhea and for antimicrobial susceptibility8
  • Clinicians should advise patients with gonorrhea to be retested 3 months after treatment or when they next seek medical care within the following 12 months8

Trichomonas Vaginalis

Test codes 19550, 90521

  • Retesting for Trichomonas vaginalis is recommended for all sexually active women within 3 months following initial treatment regardless of whether they believe their sex partners were treated8

a People with increased risk are women who have had a history of sexually transmitted diseases (STDs), exchange sex for payment, or use injection drugs; and men and women with a new sex partner, more than 1 sex partner, a sex partner with concurrent partners, or a sex partner who has a sexually transmitted infection.

b When highly sensitive testing (eg, nucleic acid amplification test [NAAT]) is not feasible, a testing algorithm (eg, wet mount first, followed by NAAT if negative) can improve diagnostic sensitivity.

c The use of chlamydial NAATs at <3 weeks after completion of therapy is not recommended because the continued presence of nonviable organisms can lead to false-positive results.9

These helpful resources can provide additional information and guidelines:


​References:

  1. Center for Disease Control and Prevention (CDC). STI prevalence, incidence, and cost estimate. https://www.cdc.gov/std/statistics/prevalence-2020-at-a-glance.htm Accessed March 14, 2022.
  2. Office of Disease Prevention and Health Promotion. Sexually transmitted diseases. HealthyPeople.gov website. Updated Fall/Winter 2021. Accessed March 12, 2022. https://www.healthypeople.gov/2020/topics-objectives/topic/sexually-transmitted-diseases
  3. Contemporary OB/GYN. Chlamydia screening in the new wave of COVID-19. Updated July 1, 2021. Accessed March 14, 2022. https://www.contemporaryobgyn.net/view/chlamydia-screening-post-covid-19
  4. CDC estimates 1 in 5 people in the U.S. have a sexually transmitted infection. Centers for Disease Control and Prevention. Published January 25, 2021. Accessed March 12, 2022. https://www.cdc.gov/media/releases/2021/p0125-sexualy-transmitted-infection.html
  5. Detels R, Green AM, Klausner JD, et al. The incidence and correlates of symptomatic and asymptomatic Chlamydia trachomatis and Neisseria gonorrhoeae infections in selected populations in five countries. Sex Transm Dis. 2011;38(6):503-509.
  6. CDC. CDC fact sheet: how STDs impact women differently from men. Accessed December 14, 2021. https://www.cdc.gov/nchhstp/newsroom/docs/factsheets/stds-women.pdf
  7. CDC. CDC fact sheet: Pelvic inflammatory disease (PID). Updated January 27, 2017. Accessed September 14, 2021. https://www.cdc.gov/std/pid/stdfact-pid-detailed.htm
  8. CDC. Sexually Transmitted Infections Treatment Guidelines, 2021. Accessed March 14, 2022. https://www.cdc.gov/std/treatment-guidelines/STI-Guidelines-2021.pdf
  9. CDC. CDC fact sheet: information for teens and young adults: staying healthy and preventing STDs. Accessed March 14, 2022. https://www.cdc.gov/std/life-stages-populations/stdfact-teens.htm

 

Test codes may vary by location. Please contact your local laboratory for more information.


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