Sub-Acute & SNF Care
SNF denials strand patients in acute care beds.
Build an airtight case for sub-acute level of care.
Sub-acute and Skilled Nursing Facility (SNF) level of care disputes are among the most common utilization management battles. Payers frequently deny SNF admissions or shorten authorized stays, arguing the patient can safely go home with home health or doesn't meet skilled nursing criteria. These denials delay discharges, create bed capacity issues, and put patients at risk.
Understanding SNF Level of Care Criteria
Most payers use InterQual or Milliman Care Guidelines (MCG) criteria to determine SNF level of care. The key question is: does the patient require skilled nursing care that can only be provided in a SNF setting? This includes skilled nursing services (complex wound care, IV medications, tube feeding management), skilled rehabilitation services (PT/OT/ST requiring the intensity of a SNF setting), and medical complexity that exceeds what home health can manage. Understanding which criteria set your payer uses is critical for P2P preparation.
Common SNF Denial Patterns
The most frequent SNF denials involve: initial admission denials where the payer argues the patient can go home with home health, continued stay denials where the payer says the patient has plateaued or can continue therapy at a lower level, and retroactive denials where the payer reviews the stay after discharge and determines SNF level was not met. Each requires a different P2P approach. For continued stay denials, focus on documented functional progress and remaining therapy goals. For admission denials, emphasize the safety risks of home discharge.
Winning SNF P2P Reviews
In SNF P2P calls, your strongest arguments are patient safety and functional status. Document specific functional deficits using standardized assessments (FIM scores, Braden scale, fall risk scores). Show that the patient has rehabilitation potential with specific, measurable goals that require SNF-level intensity. Address the home environment: document barriers to safe discharge (stairs, lack of caregiver, distance to medical care). For Medicare patients, reference the three-midnight rule and skilled nursing requirements under the SNF benefit.
Medicare SNF Benefit Requirements
For Medicare beneficiaries, SNF coverage requires: a qualifying hospital stay of 3+ midnights, daily skilled nursing or therapy need, and services that can only be practically provided in a SNF. The 3-midnight requirement is often a point of dispute -- ensure your hospital stay documentation clearly supports inpatient-level care for each midnight. For therapy, document the need for the frequency and intensity that only a SNF setting can provide. Medicare covers up to 100 days per benefit period, but payers frequently challenge stays beyond 20 days when the coinsurance kicks in.
Common denial reasons
1.Patient does not require skilled level of care
2.Care can be provided safely in the home setting
3.Patient has plateaued in rehabilitation progress
4.Does not meet InterQual/MCG criteria for SNF
5.Qualifying hospital stay not met (Medicare)
6.Therapy goals can be met at a lower level of care
7.Caregiver available to assist with ADLs at home
P2P call tips
Use specific functional assessment scores (FIM, Braden, fall risk)
Document measurable rehabilitation goals with timelines
Address home environment barriers to safe discharge explicitly
Reference the specific InterQual or MCG criteria subset being used
Show week-over-week functional improvement trends
Have the therapist's assessment of ongoing skilled need available