Z00.121Billable
Encounter for routine child health examination with abnormal findings
Short description: Encounter for routine child health exam w abnormal findings
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z00
- Effective date
- October 1, 2026
Related codes in category Z00
Z00Encntr for general exam w/o complaint, susp or reprtd dxZ00.0Encounter for general adult medical examinationZ00.00Encntr for general adult medical exam w/o abnormal findingsYesZ00.01Encounter for general adult medical exam w abnormal findingsYesZ00.1Encounter for newborn, infant and child health examinationsZ00.11Newborn health examinationZ00.110Health examination for newborn under 8 days oldYesZ00.111Health examination for newborn 8 to 28 days oldYesZ00.12Encounter for routine child health examinationZ00.129Encntr for routine child health exam w/o abnormal findingsYesZ00.2Encounter for exam for period of rapid growth in childhoodYesZ00.3Encounter for examination for adolescent development stateYes
Frequently asked questions
What is ICD-10 code Z00.121?
Z00.121 is an ICD-10-CM diagnosis code for Encounter for routine child health examination with abnormal findings.
Is Z00.121 a billable code?
Yes. Z00.121 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Z00.121 in?
Z00.121 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z00.121 become effective?
Z00.121 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z00.121?
Z00.121 belongs to category Z00, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.