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Home/Diagnosis/ICD-10 Coding for Screening Immunization

ICD-10 Coding for Screening Immunization

Z23
Z28.310
Z28.311

Complete ICD-10-CM coding and documentation guide for icd-10 coding for screening immunization includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Preventive Immunization
Vaccination Screening
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Key Information: ICD-10 Coding for Screening Immunization

Essential facts and insights about ICD-10 Coding for Screening Immunization

Use ICD-10 code Z23 for encounter for immunization, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Encounter for immunization

Billable Code
Z23
Billable

Diagnostic Criteria

  • • Vaccines administered during the visit

Applicable To

  • • Vaccination
  • • Immunization

Important Notes

  • • Ensure correct sequencing when used with well-child visit codes.

Unvaccinated for COVID-19

Billable Code
Z28.310
Billable

Important Notes

  • • Document reasons for refusal or deferral.

Partially vaccinated for COVID-19

Billable Code
Z28.311
Billable

Important Notes

  • • Ensure documentation of which vaccines have been administered.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z00.129

Encounter for routine child health examination without abnormal findings

Use as primary code when immunizations are part of a well-child visit.

Frequently Asked Questions

What is the ICD-10 code for immunization screening?

The ICD-10 code for immunization screening is Z23, used for encounters where vaccines are administered.

How do you code a well-child visit with immunizations?

Code Z00.129 for the well-child visit and Z23 for the immunizations, ensuring correct sequencing.

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