ICD-10-CM
ICD-10 code for Well child visit: Z00.129
The closest CDC title for "Well child visit" is Z00.129, Encounter for routine child health examination without abnormal findings. Z00.129 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under Z00, then other CDC titles that name encounter for routine child health examination without abnormal findings
A header groups codes and is not billed. A billable code is one you can report.
- Z00Encounter for general examination without complaint, suspected or reported diagnosisHeader
- Z00.0Encounter for general adult medical examinationHeader
- Z00.00Encounter for general adult medical examination without abnormal findingsBillable
- Z00.01Encounter for general adult medical examination with abnormal findingsBillable
- Z00.1Encounter for newborn, infant and child health examinationsHeader
- Z00.11Newborn health examinationHeader
- Z00.110Health examination for newborn under 8 days oldBillable
- Z00.111Health examination for newborn 8 to 28 days oldBillable
- Z00.12Encounter for routine child health examinationHeader
- Z00.121Encounter for routine child health examination with abnormal findingsBillable
- Z00.129Encounter for routine child health examination without abnormal findingsBillable
- Z00.2Encounter for examination for period of rapid growth in childhoodBillable
- Z00.3Encounter for examination for adolescent development stateBillable
- Z00.5Encounter for examination of potential donor of organ and tissueBillable
- Z00.6Encounter for examination for normal comparison and control in clinical research programBillable
- Z00.7Encounter for examination for period of delayed growth in childhoodHeader
- Z00.70Encounter for examination for period of delayed growth in childhood without abnormal findingsBillable
- Z00.71Encounter for examination for period of delayed growth in childhood with abnormal findingsBillable
- Z00.8Encounter for other general examinationBillable
Excludes1
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From Z00. A note on a category applies to every code under it.
Related conditions
Related pages
- Z00.129 code detailsNotes, nearby codes, CMS-HCC group
- Category Z00Every code under it
- Chapter 21Factors influencing health status
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Well child visit?
The closest CDC title for "Well child visit" is Z00.129, Encounter for routine child health examination without abnormal findings. Z00.129 is a billable code.
Is Z00.129 billable?
Yes. Z00.129 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to Z00.129?
The CDC tabular list gives 4 Excludes1 notes (not coded together), 2 Excludes2 notes (may be coded together when both are documented) for Z00.129 and the categories above it. They are listed on this page.
What chapter is Z00.129 in?
Chapter 21. Factors influencing health status.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.