ICD-10 Code: Z23 Get payment allowances & effective dates for the 2021-2022 season. Learn about claims & roster billing.
ICD-10 requires only one code (Z23) per vaccination, regardless if single or combination. Report Z23 for all vaccination diagnoses.
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.”
90686 Influenza virus vaccine, quadrivalent, split virus, preservative free, 0.5 ml dosage, for intramuscular use 90696 Diphtheria, tetanus toxoids, acellular pertussis vaccine and poliovirus vaccine, inactivated (DTaP-IPV), when administered to children 4 years through 6 years of age, for intramuscular use.
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.
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 .
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.
90688=Inactivated Influenza Vaccine, quadrivalent (IIV4), split virus, 0.5-mL dosage, for intramuscular use. Source: 2021 CPT.
vaccine is billed with CPT code 90710 and modifier SL for children 12 months through 12 years of age (before the 13th birthday) who need a first or second dose of MMR and varicella vaccine.››
The 90460 code is used when a physician is present and performs face-to-face counseling to the caregiver or parent. This code can only be used for patients through age 18. Code 90471 is used when the drug is administrated by a medical assistant or nurse and the patient does not see the physician at all.
There are two flu vaccines called Fluzone: Fluzone and Fluzone High-Dose. Fluzone is billed using CPT 90658, whereas Fluzone High-Dose is billed using CPT 90662. Per the Food and Drug Administration's approved labeling, Fluzone High-Dose is only covered by Medicare for beneficiaries age 65 or older.