CJR-X Quality Score Explorer | AAHKS × Techy Surgeon

Pick a starting point

Then fine-tune any measure. Points update as you tap.

Inpatient episodes

THA/TKA ComplicationsRisk-standardized complication rate · 50% weight · max 10.00

HCAHPSInpatient patient experience · 40% weight · max 8.00

THA/TKA PRO-PMPatient-reported outcomes · 10% weight · max 2.00

Outpatient (HOPD) episodes

7-Day Hospital Visits after HOPD SurgeryOP-36 · 50% weight · max 10.00

OAS CAHPSOutpatient patient experience · 40% weight · max 8.00

THA/TKA PRO-PMScored on the outpatient side · 10% weight · max 2.00

Episode mix

70% inpatient · 30% outpatient

Why this matters in dollars. The discount comes off your reconciliation target price. For a hospital with 300 episodes at a ~$26,000 target, each 1.0% of discount is roughly $78,000 a year of headroom. Quality is the only lever in the model that moves it.

The scales, verbatim

Points by national percentile, §512.635(c). Below the minimum case count (25 cases) or survey count (100 surveys), CMS assigns the 50th-percentile points.

Percentile	Complications / OP-36	HCAHPS / OAS CAHPS	PRO-PM
≥90th	10.00	8.00	2.00
80–89th	9.25	7.40	1.85
70–79th	8.50	6.80	1.70
60–69th	7.75	6.20	1.55
50–59th	7.00	5.60	1.40
40–49th	6.25	5.00	1.25
30–39th	5.50	4.40*	1.10
<30th	0.00	0.00	0.00

* The printed rule shows 5.40 at this rung, which would score the 30th–39th percentile above the 40th–49th. Read in context, 4.40 preserves the scale's order and matches the correction identified in review of the final rule. Confirm against any CMS technical correction before relying on this rung.

Sources. Measures (THA/TKA complications RSCR, CMIT #350 · OP-36, CMIT #344 · HCAHPS, CMIT #338 · OAS CAHPS · THA/TKA PRO-PM, CMIT #1618), weights, scales and minimum counts: 42 CFR §512.635, CMS-1849-F, 91 FR (Aug 4, 2026). Discount ladder and the CQS ≤6.0 eligibility floor: §512.640(b)(8), §512.645(h). Dollar illustration uses program estimates, not rule text. Education, not billing or legal advice.