Preserving Access to Home Health Act of 2022 This bill restricts the Centers for Medicare & Medicaid Services (CMS) from decreasing payments for Medicare home health services based on certain adjustments until 2026. Current law requires the CMS to make certain permanent and temporary payment adjustments under the Medicare prospective payment system for home health services based on behavioral assumptions for 2020 through 2026. The bill restricts the CMS from making adjustments that decrease payments until 2026; the CMS must also ensure that any such necessary decreases are made before 2032.