40 patients were administered expired doses of the Moderna COVID-19 vaccine; This spontaneous case was reported by another health care professional and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (40 patients were administered expired doses of the Moderna COVID-19 vaccine) in a 47-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 038B21A) for COVID-19 vaccination.     Concurrent medical conditions included Hyperlipidemia (mild with low HDL), Eczema, Lumbar radiculopathy (right), Psoriasis, Abnormal glucose tolerance, Leukocytosis, Hypokalemia, Dermatitis, Chronic venous insufficiency, Sinusitis, Influenza, Streptococcal pharyngitis, Acute pharyngitis, Vitamin D deficiency, Hypoxemia, Hypogonadism (male), Weight gain, Acute allergic reaction, Cough, Deviated nasal septum, Fatigue, Snoring, Asthma, Bronchitis, Sinusitis, Sleep apnea, Upper respiratory tract infection, Obesity, Headache, Left ventricular hypertrophy, Malignant hypertension, Drug allergy (Avelox (Critical)), Drug allergy (Bactrim DS (sulfamethoxazole-trimethoprim) (severe)), Drug allergy (Zithromax (pzithromycln tabs) (moderate)) and Drug allergy (Keflex (mild)). Concomitant products included SALBUTAMOL SULFATE (VENTOLIN HFA) for Asthma, IBUPROFEN (ADVIL [IBUPROFEN]) for Headache and Sinus pain, CETIRIZINE HYDROCHLORIDE (ZYRTEC ALLERGY), TESTOSTERONE CIPIONATE (DEPO-TESTOSTERONE), VITAMIN D3, TRIAMCINOLONE ACETONIDE (NASACORT ALLERGY 24 HR), METOPROLOL SUCCINATE, AMLODIPINE BESYLATE, HYDROCHLOROTHIAZIDE, VALSARTAN (VALSARTAN AND HYDROCHLOROTHIAZIDE), METFORMIN HYDROCHLORIDE (METFORMIN ER), ROSUVASTATIN, UBIDECARENONE (COQ 10), CYANOCOBALAMIN (VITAMIN B12 [CYANOCOBALAMIN]), POTASSIUM CHLORIDE, AMLODIPINE BESYLATE, AZELASTINE HCL, CLINDAMYCIN HCL and PREDNISONE for an unknown indication.    On 10-Nov-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 10-Nov-2021, the patient experienced EXPIRED PRODUCT ADMINISTERED (40 patients were administered expired doses of the Moderna COVID-19 vaccine). On 10-Nov-2021, EXPIRED PRODUCT ADMINISTERED (40 patients were administered expired doses of the Moderna COVID-19 vaccine) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, C-reactive protein: elevated (High) Elevated. On an unknown date, High density lipoprotein: low (Low) Low. On an unknown date, Investigation: result not provided (Inconclusive) Result not provided, result not provided (Inconclusive) Result not provided, result not provided (Inconclusive) Result not provided and result not provided (Inconclusive) Result not provided. On an unknown date, Physical examination: result not provided (Inconclusive) Result not provided.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Date the vial was initially stored in the refrigerator: 09-Nov-2021. The vial did not undergo any temperature excursions.  The patient had underwent pre-operative examination.  Other medications included Respironics dreamstation auto CPAP, CPAP/Bi-PAP supplies length of need for obstructive sleep apnea (OSA).