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ICD-10-CM Z28.3: Underimmunization status · Codelle

ICD-10-CM/Z28/Z28.3

Z28.3

ICD-10-CM

Underimmunization status

Clinical Notes

Use additional code

code, if applicable, to identify:
immunization not carried out because of contraindication (Z28.0-)
immunization not carried out because of patient decision for other and unspecified reason (Z28.2-)
immunization not carried out because of patient decision for reasons of belief or group pressure (Z28.1)
immunization not carried out for other reason (Z28.8-)

Code Hierarchy

▲Z28Immunization not carried out and underimmunization status

Z28.3(current)

Subcodes (2)

Z28.31Underimmunization for COVID-19 status

Z28.39Other underimmunization status

Crosswalks

V15.83ExactICD-9

Same Category

Z28Immunization not carried out and underimmunization status Z28.0Immunization not carried out because of contraindication Z28.01Immunization not crd out because of acute illness of patient Z28.02Immuniz not crd out bec chronic illness or cond of patient

Z28.03Immuniz not crd out bec immune compromised state of patient

Z28.04Immuniz not crd out bec patient allergy to vaccine or cmpnt

Z28.09Immunization not carried out because of oth contraindication

Z28.1Immuniz not crd out because of patient belief/grp pressr

Z28.2Immuniz not crd out bec pt decision for oth and unsp reason

Z28.20Immuniz not crd out bec patient decision for unsp reason

+5 more in this category

Code History

Added in FY2024
Active (FY2026)

Change History

FY2026 snapshotUnderimmunization status
FY2025 snapshotUnderimmunization status
FY2024 snapshotUnderimmunization status