Z23Z23 is the ICD-10 code that identifies an encounter for immunization(s).
Inoculations and Vaccinations ICD-10-CM Coding 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 code Z51. 81 for Encounter for therapeutic drug level monitoring is a medical classification as listed by WHO under the range - Factors influencing health status and contact with health services .
Code Classification The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals. The code Z23 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.
2022 ICD-10-CM Diagnosis Code Z23: Encounter for immunization.
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.Nov 24, 2020
You also may want to use additional codes as appropriate, such as Z79. 01 (Long term (current) use of anticoagulants) if the patient is taking anticoagulants, Z51. 81 (Encounter for therapeutic drug level monitoring) if the agency is monitoring PT/INRs, and Z95.May 18, 2018
Encounter for screening for other metabolic disorders The 2022 edition of ICD-10-CM Z13. 228 became effective on October 1, 2021.
ICD-10-PCS GZ3ZZZZ is a specific/billable code that can be used to indicate a procedure.
The Z23 code includes the following note: “Code first any routine childhood examination.” Therefore, when you provide immunizations in conjunction with a well-child visit, a code for routine child health examination should be reported first, followed by Z23 for any immunizations.
The code Z71. 89 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.
Coding: Bill with 90471 only (If another vaccine is given at the same visit, code the administration fee for the second injection with 90472.) When billing for multiple vaccine administrations, you can either report administration add-on codes per line or report as multiple units on one line.