Therapy Units (8-Minute Rule vs Rule of Eights)
Therapy Units (8-Minute Rule vs Rule of Eights) - a deterministic tool in Sophie Well's Billing & Reimbursement group.
Open the Therapy Units (8-Minute Rule vs Rule of Eights) → Runs in your browser. No signup, no tracking.
What this is
Therapy Units (8-Minute Rule vs Rule of Eights) is one of 230 deterministic tools in Sophie Well's Billing & Reimbursement group. Therapy Units (8-Minute Rule vs Rule of Eights) - a deterministic tool in Sophie Well's Billing & Reimbursement group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
CMS Pub. 100-04 Ch. 5 20.2 and 42 CFR 410: the Medicare 8-minute rule for timed therapy codes (8-22 = 1 unit, 23-37 = 2, 38-52 = 3, 53-67 = 4, each +15 adds a unit), on cumulative minutes; contrasted with the AMA Rule of Eights, applied per service. Read the source ↗
Worked example: 50 cumulative timed minutes is 3 units under the Medicare 8-minute rule.
Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.