90686, “Influenza virus vaccine, quadrivalent (IIV4), split virus, preservative free, 0.5 mL dosage, for intramuscular use.” 90688, “Influenza virus vaccine, quadrivalent (IIV4), split virus, 0.5 mL dosage, for intramuscular use.”
ICD-10 requires only one code (Z23) per vaccination, regardless if single or combination. Report Z23 for all vaccination diagnoses.
Administration services for these preventive vaccines are reported to Medicare using HCPCS codes as follows: G0008 administration of influenza virus vaccine.
According to ICD-10-CM guidelines, clinicians may assign code Z28. 310, “Unvaccinated for COVID-19,” when the patient has not received a dose of any COVID-19 vaccine. Clinicians may assign code Z28.
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.
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. If the immunization is given during a routine preventive health care examination, Code Z23 would be a secondary code.
ICD-10 code Z23 for Encounter for immunization is a medical classification as listed by WHO under the range - Factors influencing health status and contact with health services .
You can charge your patient for the cost of the influenza vaccine. You can't bill Medicare for the vaccine itself.
Z23 may be used as a primary diagnosis for immunizations in the OP and physician setting.
In response to the national emergency that was declared concerning the COVID-19 outbreak, the Centers for Disease Control and Prevention's (CDC) National Center for Health Statistics (NCHS) is implementing 6 new diagnosis codes into the International Classification of Diseases, Tenth Revision, Clinical Modification ( ...
ICD-10-PCS will be the official system of assigning codes to procedures associated with hospital utilization in the United States. ICD-10-PCS codes will support data collection, payment and electronic health records. ICD-10-PCS is a medical classification coding system for procedural codes.