Lanes & lookups
The key idea: the scale was built once, frozen, and now it’s just a lookup.
The hook
#🎓 School grades
A teacher set "90–100 = A" once, from studying lots of students. After that, nobody re-studies the world for your test — they just see your 92 and read off the A. The hard part happened once; daily grading is a lookup.
#The real idea
Each of the six measures has a lane table — ranges that map a value to points. CMS built these cut-points once from the national distribution of all SNFs, then froze them. To score a facility, nobody re-ranks the country — your number is matched to the lane it falls in. This is why staffing is predictable: the lanes don’t move quarter to quarter, so if you know a facility’s numbers you can compute its score yourself. (The full frozen tables are on The exact CMS numbers page.)
#🍁 Maple Grove example
RN HPRD 0.42 → 30 points
RN HPRD 0.42 lands in the lane "0.368–0.439 → 30 points." To reach the next lane you need ≥ 0.440. Use the live lane-lookup widget below: type 0.42 and watch it highlight that row; type 0.50 and watch it jump to the 40-point row.
#Remember this
Built once, frozen, then looked up. Your building’s number doesn’t get re-judged — it gets matched to a row.
#Try it 👉
RN HPRD lane lookup — enter 0.50 (→ 40 points) or 0.30 (→ 20 points) and watch the matched row.
| HPRD ≥ | Range | Points |
|---|---|---|
| ≥ 1.202 | ≥ 1.202 | 100 |
| ≥ 0.934 | 0.934–1.201 | 90 |
| ≥ 0.786 | 0.786–0.933 | 80 |
| ≥ 0.678 | 0.678–0.785 | 70 |
| ≥ 0.591 | 0.591–0.677 | 60 |
| ≥ 0.513 | 0.513–0.590 | 50 |
| ≥ 0.44 | 0.440–0.512 | 40 |
| ≥ 0.368 | 0.368–0.439 | 30 |
| ≥ 0.275 | 0.275–0.367 | 20 |
| ≥ 0 | 0–0.274 | 10 |