Prospective Study of Personalized Approach to Inpatient Patients With Hyperglycemia

Inclusion Criteria: * Provision of signed and dated informed consent form * Stated willingness to comply with all study procedures and availability for the duration of the study * Provide race and ethnicity information * Male or female, aged 18 years or greater * Diagnosed with cancer * Hospitalized at MCC in the medical, hematologic, or bone marrow transplant units * Having in-hospital hyperglycemia with or without a pre-existing diagnosis of DM, with 2 measurements of BG \> 180 mg/dL and/or 1 measurement of BG \> 350mg/dL within the first 72 hours of admission, detected by bedside point-of-care testing and/or basic metabolic panel laboratory data. * Participants enrolled in other clinical trials are admissible to this trial. Exclusion Criteria: * An individual who meets any of the following criteria will be excluded from participation in this study: * Participants \< 18 years of age * Participants at the end of life and/or with limited life expectancies (\< 6 months) * Participants without cancer diagnoses * Surgical patients and patients admitted directly to the intensive care unit, other than those in the Bone Marrow Transplant Unit, who are included * Participants treated and discharged in outpatient settings (ie, direct referral center, infusion center, or clinical research unit) or those admitted for observation only (hospitalized less than 24 hours) * Participants on total parenteral nutrition * Participants on insulin pumps * Participants admitted with diabetic ketoacidosis and hyperglycemic hyperosmolar syndrome * Pregnant Participants based on medical history * Participants being followed by endocrinology for hyperglycemia or hypoglycemia