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Unplanned hospital readmission within 30 days of principal procedure

HCPCS code

Name of the Procedure:

Unplanned Hospital Readmission within 30 Days of Principal Procedure (G9310)

  • Common Name(s): 30-Day Hospital Readmission
  • Technical/Medical Term: Unplanned Hospital Readmission


An unplanned hospital readmission occurs when a patient needs to be readmitted to a hospital within 30 days after being discharged from a principal surgical or medical procedure. This is usually due to complications or issues related to the initial procedure or underlying conditions.


This readmission aims to address acute complications or issues arising shortly after a patient’s initial hospital stay. The goal is to stabilize the patient's condition and resolve any complications related to the primary procedure to ensure proper recovery.


  • Post-procedure complications such as infections, bleeding, or surgical site issues
  • Worsening of pre-existing conditions that were managed during the initial hospital stay
  • New medical issues that emerged soon after discharge
  • Severe pain or other symptoms that cannot be managed adequately outside the hospital


  • No specific pre-readmission preparations required, as it is unplanned.
  • Bring any discharge papers and medications from the initial procedure for review.
  • Update the hospital staff on any changes in symptoms, new medications, or treatments since discharge.

Procedure Description

  • Patient will be triaged in the emergency department or directly admitted if necessary.
  • Initial assessments include physical exam, lab tests, and imaging as indicated.
  • Treatment plan will be developed based on the assessment. This may involve medications, additional surgeries, or other medical interventions.
  • Continuous monitoring and adjustments to the treatment plan as needed.
  • Coordination with the patient’s primary care team and specialists to address all health concerns.


The duration of the hospital readmission varies depending on the patient’s condition and the complexity of the issues being addressed. It can range from a few days to several weeks.


  • Performed in a hospital setting.
  • Initial evaluation might start in the emergency department and transition to a general or specialized ward.


  • Physicians (Hospitalists, Surgeons, Specialists)
  • Nurses
  • Anesthesiologists (if additional procedures are needed)
  • Pharmacists
  • Physical Therapists (if necessary)

Risks and Complications

  • Hospital-Acquired Infections
  • Surgical Complications (if additional surgery is needed)
  • Blood Clots
  • Medication Side Effects or Allergic Reactions
  • Risk of further readmission due to ongoing complications


  • Stabilization and treatment of acute complications.
  • Prevention of further deterioration of the patient’s health.
  • Comprehensive management of the underlying conditions.
  • Improved overall outcomes and recovery prospects.


  • Additional hospital stay until the patient’s condition is stabilized.
  • Follow-up care and monitoring to prevent further complications.
  • Clear post-discharge instructions including medication guidelines, dietary restrictions, and physical activity recommendations.
  • Scheduled follow-up appointments with primary and specialized care providers.


  • Outpatient management for milder symptoms (if safe and feasible).
  • Home health care services to provide more intensive monitoring at home.
  • Telemedicine follow-ups for minor issues.

Patient Experience

  • Patients might experience anxiety and frustration due to the need for readmission.
  • Physical discomfort depending on the condition and required treatments.
  • Pain management strategies will be employed to ensure comfort.
  • Support from the healthcare team to address both medical and emotional needs during the readmission.

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