ICD-10-CM
Z28.31 - Underimmunization for COVID-19 status
Code
Z28.31 - Underimmunization for COVID-19 status
[Non-Billable]
[Non-Billable]
There's more to see -- the rest of this topic is available only to subscribers.
Citation
"Z28.31 - Underimmunization for COVID-19 Status." ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2026. www.unboundmedicine.com/icd/view/ICD-10-CM/1430955/all/Z28_31___Underimmunization_for_COVID_19_status.
Z28.31 - Underimmunization for COVID-19 status. ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. https://www.unboundmedicine.com/icd/view/ICD-10-CM/1430955/all/Z28_31___Underimmunization_for_COVID_19_status. Accessed August 31, 2026.
Z28.31 - Underimmunization for COVID-19 status. (2026). In ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/1430955/all/Z28_31___Underimmunization_for_COVID_19_status
Z28.31 - Underimmunization for COVID-19 Status [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. [cited 2026 August 31]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/1430955/all/Z28_31___Underimmunization_for_COVID_19_status.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Z28.31 - Underimmunization for COVID-19 status
ID - 1430955
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/1430955/all/Z28_31___Underimmunization_for_COVID_19_status
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
