Z23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM Z23 became effective on October 1, 2021. This is the American ICD-10-CM version of Z23 - other international versions of ICD-10 Z23 may differ.
2022 ICD-10-CM Diagnosis Code B15. 9: Hepatitis A without hepatic coma.
2022 ICD-10-CM Diagnosis Code Z11. 59: Encounter for screening for other viral diseases.
ICD-10-CM Code for Encounter for immunization Z23.
CPT CodeCPT CodeCPT DescriptionCPT Code Status90632Hepatitis A vaccine, adult dosage, for intramuscular useActive90633Hepatitis A vaccine, pediatric/adolescent dosage-2 dose schedule, for intramuscular useActive90634Hepatitis A vaccine, pediatric/adolescent dosage-3 dose schedule, for intramuscular useActive75 more rows
ICD-10-CM Diagnosis Code B18 B18.
52 will replace Z11. 59 (Encounter for screening for other viral diseases), which the CDC previously said should be used when patients being screened for COVID-19 have no symptoms, no known exposure to the virus, and test results that are either unknown or negative.Dec 21, 2020
For asymptomatic individuals who are being screened for COVID-19 and have no known exposure to the virus, and the test results are either unknown or negative, assign code Z11. 59, Encounter for screening for other viral diseases.Apr 1, 2020
Code Z23, which is used to identify encounters for inoculations and vaccinations, indicates that a patient is being seen to receive a prophylactic inoculation against a disease.
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.Mar 7, 2022
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. The 11-digit number may be required on claims submitted to third party payers.
Tetanus and Diphtheria Vaccinations Billing GuidelinesCPT CodeICD-1090715S61011A90471S61011AAug 30, 2018