Well child, immunization ICD 10 code example z00.110

Well-child visits
• Z00.110 Health examination for newborn under 8 days old
• Z00.111 Health examination for newborn 8 to 28 days old
• Health checks (routine) for child over 28 days old (29 days and older)
– Z00.121 Encounter for routine child health examination with abnormal findings
– Z00.129 Encounter for routine child health examination without abnormal findings

Note that well child care is based on age:
• under 8 days,
•from 8 to 28 days,
•or 29 days and older.
For the children 29 days and older, you may report routine examinations
with or without abnormal findings.

Immunization
• Z23 Encounter for immunization
• Z28.3 Underimmunization status
• Z28.0_ Immunization not carried out because
of contraindication (5 choices)
• Z28.2_ Immunization not carried out because
of patient decision for other and unspecified
reason (3 choices)
• Z28.8_ Immunization not carried out for other
reason (3 choices)
• Z01.84 Encounter for antibody response
examination
– Encounter for immunity status testing

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