Description:  The percentage of women 16–24 years of age who were identified as sexually active and who had at least one test for

chlamydia during the measurement year.


Denominator:  

Product lines
Commercial, Medicaid (report each product line separately).
Ages
Women 16–24 years as of December 31 of the measurement year. Report two age stratifications and a total rate:
  • 16–20 years.
  • 21–24 years.
  • Total.
The total is the sum of the age stratifications.
Continuous enrollment
The measurement year.
Allowable gap
No more than one gap in enrollment of up to 45 days during the measurement year. To determine continuous enrollment for a Medicaid beneficiary for whom enrollment is verified monthly, the member may not have more than a 1-month gap in coverage (i.e., a member whose coverage lapses for 2 months [60 days] is not considered continuously enrolled).
Anchor date
December 31 of the measurement year.
Benefit
Medical.
Event/
diagnosis
Sexually active. Two methods identify sexually active women: pharmacy data and claim/encounter data. The organization must use both methods to identify the eligible population; however, a member only needs to be identified in one method to be eligible for the measure.

Claim/encounter data. Members who had a claim or encounter indicating sexual activity during the measurement year. A code from any of the following meets criteria:
  • Pregnancy Value Set.
  • Sexual Activity Value Set.
  • Pregnancy Tests Value Set.
Pharmacy data. Members who were dispensed prescription contraceptives during the measurement year (Table CHL-A).


Denominator Exclusions (when applicable):  Note: Members in hospice are excluded from the eligible population. Refer to General 

Guideline 20: Members in Hospice.  Exclude members who qualified for the denominator based on a pregnancy test (Pregnancy Tests Value Set

alone and who meet either of the following:

  • A pregnancy test (Pregnancy Test Exclusion Value Set) during the measurement year and a prescription for isotretinoin (Table CHL-E

           on the date of the pregnancy test or the 6 days after the pregnancy test.

  • A pregnancy test (Pregnancy Test Exclusion Value Set) during the measurement year and an x-ray (Diagnostic Radiology Value Set) on the date

           of the pregnancy test or the 6 days after the pregnancy test.



Numerator:  

At least one chlamydia test (Chlamydia Tests Value Set) during the measurement year.