Home Healthvery hard

OASIS Assessment

OASIS-E (CMS) · CMS

Outcome and Assessment Information Set. Standardized data elements integrated into comprehensive assessment for Medicare home health patients. Includes socio-demographics, functional status, health conditions, and service utilization. Used for quality reporting and payment (PDGM).

Form Details

Total fields
100
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40 (40%)
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90 minutes
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Where to Submit This Form

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Submit electronically to CMS through the QIES ASAP system

https://www.cms.gov/Medicare/Quality-Initiatives-Patient-Assessment-Instruments/HomeHealthQualityInits

Home health agencies must transmit OASIS data to the state survey agency within 30 days of assessment.

Filing Deadline

Start of care: within 5 days of admission. Recertification: every 60 days. Transfer/discharge: within 2 days of the event. Resumption of care: within 2 days.

Required Attachments

  • 📎 Completed OASIS-E assessment (all required data elements)
  • 📎 Clinical documentation supporting OASIS responses
  • 📎 Clinician identification and credentials

Processing Time

Electronic submission: processed within 24-48 hours by the state system. CMS uses OASIS data for prospective payment, quality reporting, and outcome measures.

What Happens Next

CMS processes OASIS data to calculate the Home Health Resource Group (HHRG) for prospective payment. OASIS data also feeds into Home Health Compare quality ratings. The agency receives payment based on the PDGM (Patient-Driven Groupings Model) classification.

Tips for This Form

  • Accurate OASIS scoring directly affects reimbursement — ensure clinicians are properly trained in OASIS-E
  • OASIS-E implemented significant changes — verify your agency's training materials are current
  • Late OASIS submissions can result in payment penalties and quality reporting issues
  • Document clinical findings that support your OASIS responses in the clinical record

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