Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022; No adverse reaction; Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022; This spontaneous case was reported by a nurse and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022), PRODUCT STORAGE ERROR (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022) and NO ADVERSE EVENT (No adverse reaction) in a 75-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 003K21-2A, 045C21A, 018B21A and 036A21A) for COVID-19 prophylaxis.     The patient had not diagnosed or tested positive for COVID-19. Acute illnesses at the time of vaccination and up to one month before were unknown. .  The patient's past medical history included Surgery (HPB (Hepato-Pancreatico-Biliary).). Concurrent medical conditions included Drug allergy (Septra Allergy), Hypothyroidism and Diabetes. Concomitant products included FUROSEMIDE, INSULIN LISPRO (HUMALOG), LOSARTAN, LEVOTHYROXINE SODIUM (SYNTHROID) and DICYCLOVERINE HYDROCHLORIDE (BENTYL) for an unknown indication.   On 05-Mar-2021 at 12:32 PM, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) .5 milliliter. On 05-Apr-2021 at 3:02 PM, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to .5 milliliter. On 16-Nov-2021 at 9:12 AM, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to .25 milliliter. On 26-May-2022 at 10:15 AM, received fourth dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to .25 milliliter. On 26-May-2022 at 10:15 AM,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced EXPIRED PRODUCT ADMINISTERED (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022). On an unknown date, the patient experienced PRODUCT STORAGE ERROR (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022) and NO ADVERSE EVENT (No adverse reaction). At the time of the report, EXPIRED PRODUCT ADMINISTERED (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022), PRODUCT STORAGE ERROR (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022) and NO ADVERSE EVENT (No adverse reaction) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter considered NO ADVERSE EVENT (No adverse reaction) to be not related and EXPIRED PRODUCT ADMINISTERED (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022) to have an unknown relationship. No further causality assessment was provided for PRODUCT STORAGE ERROR (Vial was expired on 13-May-2022, stored in refrigerator on 21-Jan-2022 and administered on 26-May-2022).    The event did not cause the patient to seek medical care. It was unknown if there was any other potential causes. It was unknown if the patient experienced a similar event in the past. The used vial was stored in refrigerator on 26-May-2022. The vial did not undergo any temperature excursions.  No treatment medications were reported.