Why Home Health Agencies Should Avoid Submitting OASIS Data for Single Visit Episodes

The submission of OASIS data for single-visit quality episodes remains a common but avoidable error among home health agencies. Despite clear guidance from CMS, many agencies still submit unnecessary data, inadvertently skewing their outcomes and wasting resources. Here’s why it’s crucial to understand the rules and avoid these pitfalls.

Key Guidance for Single-Visit Episodes 

CMS explicitly states that OASIS data collection and submission are not required for single-visit quality episodes. This includes scenarios where a Start of Care (SOC) or Resumption of Care (ROC) visit leads to no further billable services. 

• Clarification from CMS: If only one visit occurs during the quality episode, agencies are not required to submit any OASIS assessments. This rule applies across all payer sources​​.

The Impact of Submitting Unnecessary OASIS Data 

1. Skewed Outcome Metrics: 
   • Agencies inadvertently affect their quality and performance metrics by submitting incomplete or unnecessary OASIS data. 
   • For example, a single visit with a discharge recorded as non-billable distorts CMS’s evaluation of patient outcomes. 
2. Increased Administrative Burden: 
   • Completing and submitting non-required OASIS assessments unnecessarily consumes time and resources. 
   • This creates inefficiencies for clinical and administrative teams, leading to higher operational costs. 
   • Billing for single visits also means meeting all payment requirements from signed orders to POC. Which can be very labor-intensive. 
3. Mistakes in Data Sequencing: 
   • Submitting unnecessary OASIS data can lead to sequencing errors, as CMS systems expect logical progressions in assessments (e.g., SOC to DC). Errors arise when single visits are submitted and are followed by additional inappropriate submissions​. 

Examples from CMS Q&As 

• Scenario 1: A patient returns home from the hospital but declines further services after the initial visit. In such cases, completing an internal discharge is sufficient; no OASIS data is required​. 
• Scenario 2: A patient receiving only one visit during a quality episode doesn’t necessitate discharge OASIS submission, even if the agency mistakenly collects the data during the visit​. 

Implications for All-Payer Collection and Submission 

A typical scenario involving a Medicare patient: The agency completes the SOC visit and provides a billable service. Before seeing the patient for a second visit, the patient dies, refuses further services or is admitted to the hospital. The agency determines that since the OASIS has been completed and a billable service has been provided, the agency will bill for the visit (a low utilization payment adjustment “LUPA”). In that case, the OASIS has to be submitted so that the functional score from the OASIS can be used to calculate the HIPPS code. In addition, all billing criteria would need to be met including a signed POC. 

If the agency decides not to bill, the completed OASIS should not be submitted; and a DC OASIS should never be collected and submitted in the case of a single visit quality episode.  

A typical scenario involving a non-Medicare patient: The agency completes the SOC visit and provides a billable service. Before seeing the patient for a second visit, the patient dies, refuses further services or is admitted to the hospital. The agency determines that since the OASIS has been completed and a billable service has been provided, the agency will bill for the visit.  

No submission of the OASIS is required. The only reason for the submission with the Medicare patient was for the claims system to obtain the HIPPS code, which is not necessary for the non-Medicare patient.  

Best Practices for Agencies 

1. Know the Rules: Educate clinical and administrative teams about the specific conditions under which OASIS data is required. 
2. Avoid Non-Billable Discharges: If no further visits are expected after a single visit, focus on internal documentation rather than submitting to CMS. 
3. Audit Your Processes: Implement checks to prevent unnecessary OASIS submissions for single-visit episodes. 

By adhering to these practices, home health agencies may reduce errors, improve operations and stay compliant with CMS guidelines. Avoiding unnecessary OASIS submissions benefits not just the agency but also CMS’s broader efforts to collect meaningful and accurate data.

About the Author

Lisa Selman-Holman, JD, BSN, RN, HCS-D, COS-C, VP of Education and Quality

Lisa Selman-Holman, JD, BSN, RN, HCS-D, COS-C, is the VP of Education & Quality at McBee, bringing over 35 years of expertise in home health and hospice. As a registered nurse and home care attorney, she specializes in regulatory compliance. Lisa has held various roles, from field nurse to executive, managing accreditation surveys, acquisitions, and regulatory crises. In 2004, she founded Selman-Holman & Associates, offering consulting, coding and OASIS review services. Lisa is a renowned educator, known for turning challenges into achievements. Joining McBee in 2021, she leads education initiatives at the Post-Acute Academy, providing courses for home health and hospice staff and executives, including clinical, regulatory and onboarding requirements.