Inpatient Prospective Payment System · A real FY2026 claim

It agrees with CMS. To the dollar.

Group any inpatient claim, price it under the IPPS, and verify it live against the official CMS pricer — the authoritative source. Here is one real claim, priced both ways; the 5,000-claim study checks the rest.

Open the live calculator

Scrolls through each scene on its own. Scroll or press Escape to stop.

One claim, priced two waysReconciled

One claim priced two ways
CMS pricerlive · official Inpatient PPS$8,617.39
This toolself-contained engine$8,616.85
Difference$0.54 · 0.006%

DRG 291 · Heart failure & shock w/ MCCWeight 1.2838Saint Luke's South · CCN 170185

Watch · 60 seconds · silentThe whole engine in 60 seconds — group a claim, price it under the IPPS, and watch it reconcile to CMS to the dollar. Scroll down for the full walkthrough.

The proof

Every case tracks the authoritative pricer.

These are real claims run through our engine and cross-checked against the CMS pricer. Same DRG, same relative weight, totals within a rounding cent. The full check is the 5,000-claim accuracy study: synthetic inpatient claims at 60 hospitals, every one within $1.00 of the CMS Web Pricer (run October 23, 2026).

Validated cases: this tool against the CMS pricer
MS-DRG and caseThis toolCMS pricer ReferenceDifference
Heart failure & shockwith MCC · weight 1.2838
291Heart failure & shockwith MCC · weight 1.2838$8,616.85$8,617.39−$0.54
Pulmonary edema & respiratory failurecost outlier · weight 1.2354
189Pulmonary edema & respiratory failurecost outlier · weight 1.2354$21,380.28$21,380.45−$0.17
Respiratory system dx w/ ventilator <96hcost outlier · $392,290 charges
208Respiratory system dx w/ ventilator <96hcost outlier · $392,290 charges$23,394.34$23,394.67−$0.33
Septicemia / severe sepsiswith MCC · weight 1.9425
871Septicemia / severe sepsiswith MCC · weight 1.9425$13,038.04$13,038.86−$0.82
Simple pneumonia & pleurisywithout CC/MCC · weight 0.6285
195Simple pneumonia & pleurisywithout CC/MCC · weight 0.6285$4,218.49$4,218.75−$0.26
Five cases$70,648.00$70,650.12−$2.12

The residual cents are input precision, not formula — CMS carries the provider's HRRP/VBP factors to more decimals than the published PSF. The operating base matches to the penny.

The pipeline

Group. Price. Verify.

Three moves take a coded claim to a payment you can defend — the last one is a live call to CMS, so you are never guessing.

  1. 01 · Group

    ICD-10 to MS-DRG

    A self-contained grouper on the CMS MS-DRG tables, v39 to v44 — MDC, CC/MCC severity, surgical hierarchy.

    1. PrincipalA41.9Sepsis
    2. SecondaryR65.21 MCCSeptic shock
    3. MS-DRG871w/ MCC
  2. 02 · Price

    Full IPPS build

    Operating + capital, wage index, IME & DSH, uncompensated care, and high-cost outliers.

    An IPPS build, by component
    ComponentAmount
    Operating base$8,012.20
    Capital / IME / DSH$623.10
    Outlier (if any)$0.00
  3. 03 · Verify

    Live vs CMS

    One click prices the same claim through the official CMS pricer, side by side.

    Our estimate and the CMS pricer, side by side
    Our estimate$8,616.85
    CMS pricer$8,617.39
    VerdictMatches CMS

The full toolkit

Every tab, one engine.

Fourteen tools, grouped by the job, on the same pricing core — from a quick single-DRG estimate to a coded claim grouped, priced, and checked against the official pricer, live.

Also on the site: the Grouping sandbox, the grouper as a glass box with a self-playing demo of two examples, and Integrations, twelve connectors for payer platforms.

Why the DRG lands where it does

You can see what drives the severity.

Add a secondary diagnosis or an OR procedure and the grouper shows exactly which code moved the DRG — the CC/MCC that carries the weight is marked, with the base DRG range it selects within.

DRG 871Severe sepsis · w/ MCC

base range 870–872

The codes on this claim and the part each plays in the grouping
CodeDescriptionRole
A41.9Sepsis, unspecified organismPrincipal
R65.21Severe sepsis w/ septic shockMCC driver
E11.9Type 2 diabetesNo CC/MCC
  • Severity driver

    Drop the MCC and the same claim falls to DRG 872 — a different weight, a different payment.

This card is read-only; the live sandbox re-runs the real decision path — and the real dollars — as you toggle each code.

Integration-ready

The pricing engine, wired to the systems that consume it.

Twelve connectors for the platforms that price and adjudicate DRG claims — core admin, contract modeling, and clearinghouses. Each goes live on its own credentials; until then it runs a real sandbox that still groups and prices for real.

Twelve connectors, by platform type
PlatformCapabilities
Core claim administration
FacetsCognizant TriZettoDRG pricing · Adjudication
QNXTCognizant TriZettoDRG pricing · Adjudication
HealthRules PayerHealthEdgeDRG pricing · Modeling
Payer PlatformsPLEXISDRG pricing
TapestryEpicDRG pricing · Adjudication
Oracle Health (Cerner)OracleDRG pricing · Adjudication
Contract pricing & modeling
NetworX PricerCognizant TriZettoDRG pricing · Modeling
NetworX ModelerCognizant TriZettoModeling
Claims Edit SystemOptumDRG pricing
Clearinghouses
Availity EssentialsAvailityEligibility · Remittance
Change HealthcareOptum InsightEligibility · Remittance
WaystarWaystarEligibility · Remittance

A live round-trip

Send a claim to NetworX, get both prices back.

Reference — our engine

Our engine's price
DRG871 · w/ MCC
IPPS allowed$23,056.52
Grouperv43.1

Vendor — NetworX Pricer

The vendor's price
ContractMOCK-IP-2026
Allowed amount$21,903.69
MethodologyDRG · 95% of IPPS

Bearer-authed POST over the connector framework; the vendor's reply is normalized alongside our reference. Point the URL at your tenant and it goes live — no code change.

Honest by design

Within 0.01% of CMS — and it tells you where it isn't.

The whole point is trust, so nothing is guessed. Where a case needs logic we haven't modeled yet, the tool flags it rather than inventing a number.

Independent estimator built on real IPPS reference data (FY2027, CMS-1849-F; FY2026, CMS-1833-F, for earlier discharges) and the CMS MS-DRG tables, v39 to v44. Not affiliated with or endorsed by CMS or any payer/vendor; product names shown for integration reference only. Estimates are verified against CMS but are not a substitute for official adjudication.