Insurer-specific · Health insurance plans / UM organizations
Pre-certification for inpatient rehab admission. Must document patient can participate in 3 hours of therapy, 5 days per week (15 hours per week).
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Call the insurer's utilization management or pre-certification department
Obtain the phone number from the patient's insurance card or the insurer's provider portal.
Fax the pre-authorization request to the insurer
Include comprehensive clinical documentation supporting the need for inpatient rehabilitation.
Submit through the insurer's provider portal
Many insurers now accept electronic pre-authorization requests.
Filing Deadline
Must be obtained before admission to an inpatient rehabilitation facility (except for direct transfers from acute care, which typically have 24-72 hour notification requirements).
Standard: 3-5 business days. Urgent: 24-72 hours for transfers from acute care.
If approved, you will receive an authorization number and approved length of stay. Continued stay reviews are conducted during the admission — the facility submits ongoing clinical updates to the insurer.
IRF-PAI · CMS
Assessment instrument determining Medicare Part A FFS payment for IRF stays. Must be in the patient's medical record, dated, timed, and authenticated.
CMS-437A · CMS
Documents that a rehabilitation unit is fully equipped and staffed for hospital inpatient rehabilitation care.
CMS-437B · CMS
Submitted to maintain IPPS-excluded status for inpatient rehabilitation facilities.
Insurer/state-specific · Health insurance plans / State Medicaid
Prior authorization for outpatient physical therapy, occupational therapy, or speech therapy. Must specify frequency, duration, and medical necessity.
Insurer-specific · Health insurance plans
Request for continued therapy beyond initial authorization period. Must document progress toward goals and continued medical necessity.
State-specific (e.g., WA DSHS 11-022) · State Divisions of Vocational Rehabilitation
Application for VR services to help people with disabilities prepare for, find, and keep jobs. Eligibility based on disability that creates a barrier to employment.
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