ICD-10-CM · Z00.121
ICD-10 Z00.121: Encounter for routine child health examination with abnormal findings
Well-child visit where new abnormalities found requiring additional workup or referral.
Code
Z00.121
Category
Factors influencing health status (Z00-Z99)
Clinical context
Well-child visit where new abnormalities found requiring additional workup or referral.
Documentation requirements
- Abnormality identified
- Additional secondary diagnosis code(s)
Common related procedures
- Age-based preventive E&M + modifier 25 + sick visit E&M
Common payer denial patterns
- Modifier 25 required on sick visit when paired with preventive
Frequently asked questions
What does ICD-10 Z00.121 mean?
Encounter for routine child health examination with abnormal findings
When is this code documented?
Well-child visit where new abnormalities found requiring additional workup or referral.
What documentation supports this code?
Abnormality identified; Additional secondary diagnosis code(s).
What are common denials associated with this diagnosis?
Modifier 25 required on sick visit when paired with preventive.
Related diagnoses
- Z00.00 — Encounter for general adult medical examination without abnormal findings
- Z00.129 — Encounter for routine child health examination without abnormal findings
- Z01.419 — Encounter for gynecological examination without abnormal findings
- Z11.51 — Encounter for screening for human papillomavirus (HPV)
- Z12.11 — Encounter for screening for malignant neoplasm of colon
- Z12.31 — Encounter for screening mammogram for malignant neoplasm of breast
Sources
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