Well-Child Visits 15-30 Months (W30B)
Measure Description
The percentage of Members who had two or more well-child visits with a PCP (Primary Care Provider) on different dates of service between the child’s 15-month birthday (plus 1 day) and the 30-month birthday.
Either of the following meet criteria:
- A well-care visit
- An encounter for well-care, do not include laboratory claims
Notes
- The age for this measure starts with the child’s 15-month birthday plus one day.
- The 30-month birthday is calculated as the child’s second birthday plus 180 days.
- The well-child visit must occur with a Primary Care Provider (PCP), but the PCP does not have to be the practitioner or provider assigned to the child.
- Well-Child visits must be at least 14 days apart to be counted.
- Telehealth visits do not count as well-child visits.
Exclusions
- Members in hospice during the measurement year.
- Member who died during the measurement year.
Best Practices
- Encourage parents to establish care with a primary care provider and reinforce the importance of routine preventive visits.
- Educate parents on the value of age-appropriate screenings, guidance, and counseling provided during each well-child visit.
- Conduct outreach calls and/or send letters to remind members of the need to complete recommended well-child assessments.
- Remind parents of upcoming appointments through phone calls, text messages, or patient portal messaging when available.
- Promote enrollment in the patient portal, such as MyChart, when the facility offers this option.
- Provide education about well-child visits during sick visits when appropriate, and complete the well-child visit at that time when feasible.
- Share resources that explain the importance of well-child visits and support parents in completing recommended care.
Well Care Codes
CPT® Codes | |||
99381 | 99382 | 99391 | 99392 |
HCPCS | ||
G0439 | G0438 | S0302 |
ICD-10 Codes | |||||
Z00.121 | Z00.129 | Z00.2 | Z76.2 | ||
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.
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Updated 8/28/2026
