ICD-10-CM Code for Patient's noncompliance with medical treatment and regimen Z91. 1.
The ICD-10 code to use for flu vaccination is Z23, encounter for immunization. There are many CPT codes to describe influenza vaccine, varying by manufacturer, product and age group.
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 Code for Encounter for immunization Z23.
90686, “Influenza virus vaccine, quadrivalent (IIV4), split virus, preservative free, 0.5 mL dosage, for intramuscular use.”
If the immunization is related to exposure (eg, the administration of a Tdap vaccine as a part of wound care), the ICD-10 code describing the exposure should be used as the primary diagnosis code for the vaccine, and Z23 should be used as the secondary code.
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.
Public health A level of immunization which is suboptimal for a person or population Causes Financial factors, mother's age, race, education, socioeconomic status, birth order, prenatal care. See Racial inequaliy.
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.
Administration services for these preventive vaccines are reported to Medicare using HCPCS codes as follows: G0008 administration of influenza virus vaccine. G0009 administration of pneumococcal vaccine. G0010 administration of Hepatitis B vaccine.
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. This is similar to ICD-9 rules.