ICD-10-CM Code for Encounter for immunization Z23.
Code Z23 is used to indicate any encounter for a vaccination. The procedure codes are used to identify the type of the immunization given and how it was administered.
Providers may bill CPT 99401 with ICD-10 code Z71. 89 for no member cost-share. Providers are encouraged to counsel all members who have not yet received their COVID-19 vaccination. This service can be provided by MD/DO, NP, PA, and/or CNM.
Z23 may be used as a primary diagnosis for immunizations in the OP and physician setting.
Report codes 90471-90474 for immunization administration of any vaccine that is not accompanied by face-to-face physician or other qualified health care professional counseling the patient and/or family, or for patients over 18 years of age.
Tetanus and Diphtheria Vaccinations Billing GuidelinesCPT CodeICD-1090715S61011A90471S61011AAug 30, 2018
ICD-10-CM Description Clinicians may assign code Z28. 311, “Partially vaccinated for COVID-19,” when the patient has received at least one dose of a multi-dose COVID-19 vaccine regimen, but has not received the doses necessary to meet the CDC definition of “fully vaccinated” at the time of the encounter.
Vaccine Administration Code(s) Administration codes track which dose in the regimen is being administered. NDC 10/NDC11 The National Drug Code (NDC) uniquely identifies human drugs in the United States; it can be found on the vial containing the vaccine.
Other specified counselingICD-10 code Z71. 89 for Other specified counseling is a medical classification as listed by WHO under the range - Factors influencing health status and contact with health services .
Z23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.