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HEDIS® Tip Sheet

Chlamydia Screening (CHL)

Measure Description

The percentage of members 16-24 years of age who were recommended for routine chlamydia screening, were identified as sexually active, and had at least one test for chlamydia during the measurement year.

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Notes

  • This measure applies to members ages 16-24 years as of December 31st of the measurement year.
  • Sexually active members are identified using two methods pharmacy claims and claim encounters.

Measure Compliance (numerator):

  • Members who had at least one chlamydia test during the measurement year.
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Exclusions

  • Members in hospice during the measurement year.
  • Members who die during the measurement year.
  • Sex assigned male at birth.
  • Members who had a pregnancy test during the measurement year and a prescription for isotretinoin OR an x-ray on the date of the pregnancy test through six days after the pregnancy test.
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Best Practices

  • Encourage parents to establish care with a PCP and educate parents on the importance of preventive care visits.
  • Provide education to patients and their families or caregivers regarding the significance of routine screenings and adherence to prescribed medications.
  • Use reminders in the patient's electronic medical record (EMR) to notify staff when screenings are needed.
  • Encourage patients to register for the patient portal, such as MyChart, if your facility offers it.
  • Remind patients of appointments via phone, text, or portal messages.
  • Conduct annual chlamydia screening as a standard lab for all sexually active members ages 16–24 who meet inclusion criteria; utilize urine testing as a screening option.

Coding and Benefits Disclaimer

Providers and organizations must submit accurate and complete data in accordance with all billing, coding, and medical policy requirements. HEDIS guidance does not override official coding standards or guarantee reimbursement, as coverage is subject to applicable medical/coding policy and member-specific benefits.

Questions

Should you have specific coding or other questions related to the measure, please send your questions to BlueAlliance@bcbsnd.com.

NCQA Copyright Notice and Disclaimer
The HEDIS® measures and specifications were developed by and are owned by NCQA. The HEDIS measures and specifications are not clinical guidelines and do not establish a standard of medical care. NCQA makes no representations, warranties, or endorsement about the quality of any organization or physician that uses or reports performance measures and NCQA has no liability to anyone who relies on such measures and specifications. NCQA holds a copyright in these materials and can rescind or alter these materials at any time. These materials may not be modified by anyone other than NCQA. Use of the Rules for Allowable Adjustments of HEDIS to make permitted adjustments of the materials does not constitute a modification. Any commercial use and/or internal or external reproduction, distribution and publication must be approved by NCQA and are subject to a license at the discretion of NCQA. Any use of the materials to identify records or calculate measure results, for example, requires a custom license and may necessitate certification pursuant to NCQA’s Measure Certification Program. Reprinted with permission by NCQA. © [2025] NCQA, all rights reserved.

HEDIS® is a registered trademark of the National Committee for Quality Assurance (NCQA).

Updated 8/28/2026