On 24-Jan-2023 Vaccine was stored in refrigerator. Expired on 12-Feb-2023 and administered on 17-Feb-2023; No adverse event; Vaccine was stored in refrigerator on 24-Jan-2023 which was expired on 12-Feb-2023 and administered on 17-Feb-2023. This spontaneous case was reported by another health care professional and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (Vaccine was stored in refrigerator on 24-Jan-2023 which was expired on 12-Feb-2023 and administered on 17-Feb-2023.), PRODUCT STORAGE ERROR (On 24-Jan-2023 Vaccine was stored in refrigerator. Expired on 12-Feb-2023 and administered on 17-Feb-2023) and NO ADVERSE EVENT (No adverse event) in a 44-year-old male patient who received mRNA-1273 (Spikevax) (batch nos. 015B22A and 015B22A) for COVID-19 prophylaxis.     No Medical History information was reported.   On 17-Jan-2023, the patient received first dose of mRNA-1273 (Spikevax) (unknown route) 1 dosage form. On 17-Feb-2023, received second dose of mRNA-1273 (Spikevax) (unknown route) dosage was changed to .5 milliliter. On 17-Feb-2023, the patient experienced EXPIRED PRODUCT ADMINISTERED (Vaccine was stored in refrigerator on 24-Jan-2023 which was expired on 12-Feb-2023 and administered on 17-Feb-2023.). On an unknown date, the patient experienced PRODUCT STORAGE ERROR (On 24-Jan-2023 Vaccine was stored in refrigerator. Expired on 12-Feb-2023 and administered on 17-Feb-2023) and NO ADVERSE EVENT (No adverse event). At the time of the report, EXPIRED PRODUCT ADMINISTERED (Vaccine was stored in refrigerator on 24-Jan-2023 which was expired on 12-Feb-2023 and administered on 17-Feb-2023.), PRODUCT STORAGE ERROR (On 24-Jan-2023 Vaccine was stored in refrigerator. Expired on 12-Feb-2023 and administered on 17-Feb-2023) and NO ADVERSE EVENT (No adverse event) outcome was unknown.        For mRNA-1273 (Spikevax) (Unknown), the reporter considered NO ADVERSE EVENT (No adverse event) to be not related. No further causality assessments were provided for EXPIRED PRODUCT ADMINISTERED (Vaccine was stored in refrigerator on 24-Jan-2023 which was expired on 12-Feb-2023 and administered on 17-Feb-2023.) and PRODUCT STORAGE ERROR (On 24-Jan-2023 Vaccine was stored in refrigerator. Expired on 12-Feb-2023 and administered on 17-Feb-2023).    No concomitant medications were reported. It was unknown if patient received any other vaccine in the 4 weeks prior to COVID-19 vaccine. Reports mentioned as Moderna COVID19 vaccine monovalent lot 015B22A was administered after its expiration date. The vial was stored in the fridge on 24-Jan-2023. agent checked the expiration date on vial expiration checker which was 12-Feb-2023. According to HCP the mistake caused because of not considering the manufacturer expiration date and only writing down the BUD of the vial. Patient received doses at their home. HCP wanted to know information regarding stability of the vaccine given, validity of the dose if they should be aware of any potential adverse reaction related to the event and if the patient should be revaccinated Dose administered after 30-day Use by Date or after manufacturer date of expiry The vials were in sun protected bag indicated for vaccines. The vial size was 5.5ml - 10 multiple dose vial. It was reported that the vial did not undergo temperature excursions. No treatment information was reported.