What is the POA Identifier for each scenarios? Examples include: POA indicator (Y, N, U, or W) for the principal diagnosis and any secondary diagnoses as the eighth digit.

All questions pertain to Inpatient unless noted otherwise.

1. A patient is admitted with fever, weakness, severe malaise, and coughing. She is diagnosed with pneumonia. She deteriorates rapidly and is transferred to the intensive care unit with severe sepsis. On physician query, the physician documents that he cannot determine whether the patient had sepsis on admission because she deteriorated so quickly. What is the POA indicator for the severe sepsis?
2. A patient is admitted to observation status with weakness and dizziness.After 26 hours of observation, nursing staff record a large, bloody bowel emesis and the patient's hemoglobin drops to 6.5 mg/dL.Surgery consult recommends an EGD to evaluation the patient's hematemesis and a transfusion for the patient's acute blood loss anemia.Patient's care status is changed from observation to inpatient.What is the POA indicator for the hematemesis?
3. A patient is admitted with COVID-19 infection and concurrent pneumonia.Shortly after admission, the patient's oxygen saturation drops precipitously, and the patient is intubated and started on mechanical ventilation.Internal Medicine provider documents acute respiratory failure.What is the POA indicator for the respiratory failure?
4. A patient with a history of COPD is admitted after a total knee arthroplasty.Two days after admission, the patient exhibits wheezing, shortness of breath and difficulty breathing.A cough is noted as well.Treatment consists of IV steroids, supplemental oxygen and around the clock nebulizer therapy.Discharge Summary includes the diagnosis of COPD exacerbation.What is the POA indicator for the COPD exacerbation?
5. A patient is admitted forPseudomonaspneumonia.Patient's clinical status deteriorates rapidly, and patient is placed on mechanical ventilation.After spending 7 days on the ventilator, demonstrating little improvement and undergoing a diagnostic bronchoscopy, samples of the patient's bronchial mucous indicateMRSAbacteria.The physician diagnosis ventilator-associated pneumonia.What is the POA indicator for the ventilator-associated pneumonia?
6. A patient is admitted to observation status after a percutaneous lung biopsy.The patient experiences rapid onset of sharp, pleuritic chest pain along with shortness of breath.Chest x-ray reveals collapse of the left lung along with atelectasis.Patient is admitted to inpatient care and scheduled for a left chest tube placement.What is the POA indicator for the postoperative pneumothorax?