idea-004 · business case

Who pays, from which budget, how much, and 2-4 commercial routes to first revenue — every figure below traces to a copied claim or a declared assumption, and the routes are laid out unranked. Choosing a commercial strategy is a Tier 3 act, so this page presents options and stops.

Home-use wearable LED phototherapy system with onboard irradiance dosimetry for outpatient neonatal hyperbilirubinemia, coded to E0202 — business case

Intended use: For use in the home under prescription to deliver phototherapy to newborns of at least 35 weeks gestational age with uncomplicated indirect hyperbilirubinemia whose total serum bilirubin is above the phototherapy threshold but below the escalation-of-care threshold, as an alternative to inpatient readmission for phototherapy.

Who pays

There are two cheques in this chain, written by different people for different things: the party that buys the device is not the party that pays for the therapy, and the second one sets the ceiling on the first. What changed since the last build is that the code and its Medicare rate are now on the record. What did not change is that neither of them belongs to the payer this population actually has.

Reimbursement path

Six questions, each with its own evidence position and one basis. No score, no tier, no composite. Read the coverage line first, then read the paragraph under it, because the one pillar that rests on a verified claim is the one that decides the least.

#QuestionFindingBasis
2aCoding route — Cat I / Cat III / unlisted / HCPCS (Healthcare Common Procedure Coding System) II / noneHCPCS Level II, not CPT (Current Procedural Terminology). E0202 exists, descriptor "Phototherapy (bilirubin) light with photometer", action code N, no termination date claim 3verified. The descriptor names a photometer, so a unit without one does not meet the descriptor text claim 4verified. Two limits the claim itself records: whether "with photometer" is a payment condition rather than descriptor wording is DME MAC (durable medical equipment Medicare administrative contractor) / payer-edit territory the HCPCS file cannot settle, and Level II is national code existence, silent on which code a Medicaid or commercial payer actually pays home phototherapy under. The competing code is S9098, a per-diem service code claim 4verified, and which of the two the payers that matter use is [assumption A1]claim 3verified
2bPayment adequacy — does the rate clear a stated cost floorNo cost floor has ever been stated, so the question cannot yet be asked. Medicare's E0202 allowable is $75.86 (AZ) to $89.25 (AL) non-rural, on one RR capped-rental line billed per rental month, with no purchase line claim 5verified; that is Medicare's rate for a population with no Medicare exposure claim 6unconfirmed. The one Medicaid figure is Louisiana's $33.71 (modifier 09) and $30.90 (modifier 07) claim 44unconfirmed, on a billing unit nobody has established claim 51unconfirmed. Whether a monthly-rental payer pays a full month for a 2-4 day episode is [assumption A2]. The floor itself, the supplier's fully-loaded per-episode cost, is unsourcedclaim 52unconfirmed
2cPractice-expense headroom — does the PE portion cover the deviceNo practice-expense portion on this route, by construction, on the record only as an assumption. E0202 is a DMEPOS code priced on the DMEPOS fee schedule claim 5verified; rvu E0202 --device-cost run this build returned no row in the cached PFS (physician fee schedule) RVU (relative value unit) file. That result is written back as a proposition for the Verifier rather than cited as a finding, because this case cannot issue a tag. A PE question would arise only if the device were furnished incident to an office service, which is not this business[assumption A3]
2dSite of care & bundling — office/facility differential, DRG or APC packagingHome, supplier-billed, and the bundling risk is a per-diem, not a DRG. For Medicare the structure is verified: monthly capped rental, title passing after 13 continuous rental months claim 5verified. For the payers that matter, the exposure is that home phototherapy is paid under S9098, whose per-diem bundles equipment with nursing and blood draw, so the device earns nothing separately [assumption A1]. No DRG or APC packages an item dispensed to a home; drg and apc returned missing-cache unconfirmed, a tooling gap. The DRG bites on the comparator instead: the avoided readmission [assumption A4][assumption A1]
2eCoverage — has any payer agreed to pay for this indicationNo payer is on record agreeing to cover it. coverage E0202 returns no policy naming the code in the cached Medicare Billing & Coding Articles export, which the candidate records with its limits (articles only; names-the-code, not is-covered) inside claim 5verified, whose tag is about the fee and not about coverage. Louisiana paying E0202 claim 44unconfirmed is a payment line, not a coverage criterion. Whether the largest birth states publish a coverage policy is openclaim 23unconfirmed
2fEx-US pathway — DE NUB/G-DRG, UK NICE (National Institute for Health and Care Excellence)/OPCS-4Permanently unconfirmed, and not under-researched. launch_jurisdiction: is US; no connector reaches a non-US payment system, and no claim in the candidate speaks to one in any direction— none

Pillars on verified claims: 1/6 · on assumptions: 2 · queued as research: 0

The other three: 2b rests on claim 52unconfirmed, 2e on claim 23unconfirmed, and 2f on nothing. Read the split before the six. The Verifier's most recent pass moved the code, its descriptor and its Medicare fee to verified, and that is real: the three-part test now reads code exists, Medicare allowable exists, no cached Medicare article names it. But the one pillar that rests on a verified claim is 2a, and 2a is code existence. Everything that turns a code into money for this population (a Medicaid or commercial rate on a known unit, a cost floor under it, a coverage policy, and whether the payer pays the equipment code at all) is unconfirmed or assumed. A verified Medicare fee for a newborn device is a verified fact about the wrong payer.

Three distinctions kept apart deliberately:

Verdicts recorded where a check was run and came back unusable, rather than routed around:

The money model

There is no market model for this candidate (the market-models shelf has no file for it), so this section does not size anything. A size is a chain with its own spec and its own checker, and building one here is the thing docs/commercial-spec.md §5 forbids. The legs the file carries are quoted, unmultiplied, so the next pass can pick them up. The rest of the model is unit economics: what one episode earns and what one fleet unit has to repay.

LineFigureBacking
Size leg — US births, the denominator3,628,934 in 2024claim 36unconfirmed
Size leg — commensurability of an all-births denominator with a 35-plus-week ratenot establishedclaim 50unconfirmed
Size leg — share of 35-plus-week newborns who receive phototherapy8-12%, a Generator figure the dossier could not sourceclaim 8unconfirmed
Size leg — independent read on the post-discharge slice1.8% of 148,162 KPNC infants exceeded threshold after dischargeclaim 37unconfirmed
Size leg — share of treated newborns home-eligible25-40%, the Generator's own assumptionclaim 9unconfirmed
Which code the paying payers use for home phototherapyE0202 (device paid) vs S9098 (device inside a per-diem)[assumption A1]
Medicare allowable for E0202 — for scale only, not this population's payer$75.86-$89.25 per rental month, RR line only, no purchase lineclaim 5verified
Medicaid allowable for E0202, one state$33.71 (modifier 09) and $30.90 (modifier 07), Louisianaclaim 44unconfirmed
Billing unit of that Medicaid allowableper day, per month, per episode or purchase — unresolvedclaim 51unconfirmed
Whether a monthly-rental payer pays a full month for a short episodeone full month vs prorated[assumption A2]
Episode length2-4 days plus setupclaim 10unconfirmed
Whether Medicaid rather than commercial rates set the effective pricenot established; the file's "roughly 40%+" Medicaid birth share is itself uncitedclaim 63unconfirmed
Supplier's fully-loaded cost per episode (delivery, setup, training, retrieval, reprocessing)not establishedclaim 52unconfirmed
Whether any supplier margin survives that costasserted, not measuredclaim 24unconfirmed
Reprocessing between rental patients, or single-patient BOM (bill of materials)unresolved on both routesclaim 29unconfirmed
Price a supplier pays per fleet unitnot establishedclaim 53unconfirmed
Episodes per fleet unit per year (turns)not establishedclaim 54unconfirmed
Share of addressable episodes on this device by year 3not establishedclaim 55unconfirmed
Gross margin on the device at the fleet pricenot establishedclaim 56unconfirmed
Incremental payment earned by the dose recordnone found: one RR line, no dose-record modifierclaim 57unconfirmed

Read the per-episode line before anything else. The revenue one episode earns is a product of three open questions: which code is paid [assumption A1], on what unit claim 51unconfirmed, [assumption A2], and at whose rate claim 63unconfirmed. Between a per-diem that absorbs the device and a full rental month billed for a 2-4 day episode claim 10unconfirmed, the spread is not a margin question but a question of whether a device line exists. The only published economic evidence points nowhere: a 2026 review of 31 studies found none evaluating cost-effectiveness of home phototherapy claim 40unconfirmed.

The two connectors a business case would ordinarily lean on both refuse, and the verdicts go on the page:

procedures E0202 → refuted, no national row in the Medicare DMEPOS utilization release; as the candidate already records, that is a Medicare FFS (fee-for-service) absence for a population with no Medicare exposure, not a zero-volume floor claim 6unconfirmed.

Path to first revenue

Routes

Four, laid out side by side and not ordered. Choosing among them is a Tier 3 act; this section presents them and stops.

Route A — Sell fleet units to DME suppliers who bill E0202

The file's own model: hardware sold to DME suppliers who rent to families and bill Medicaid or commercial plans under E0202 claim 22unconfirmed.

Route B — Own the home service and bill the per-diem

Vertically integrated: enrol as the provider, deliver and set up the device, train parents, and bill payers for the episode, under S9098 where that is what payers pay [assumption A1] or under E0202 where it is not. Treats the file's premise that the binding constraint is the service model claim 13unconfirmed as the thing to own.

Route C — License the dosimetry subsystem into an already-cleared wearable

Ship the differentiator, not the garment: an OEM radiometer and dose-record module into a cleared LBI wearable, neither of which claims dosimetry claim 2verified, claim 47unconfirmed.

Route D — Sell the dose record to payers or risk-bearing health systems

Bypass the rental channel: contract with whoever bears the cost of the avoided readmission, and the device travels with the record. Under per-case DRG payment that party is the payer or a capitated system, not a fee-for-service hospital [assumption A4].

Assumption register

Four new assumptions, each written back to the candidate as unverified (claims 68-71). The fourteen assumptions the 2026-09-03 build declared are already on the candidate as claims 50-63, each attempted by the Verifier on 2026-09-29 and tagged unconfirmed; this rebuild cites them as claims rather than re-declaring them, because re-appending them would duplicate lines the Verifier has already worked.

#AssumptionFalsifierOwner
A1State Medicaid programs and commercial plans in the largest US birth states pay newborn home phototherapy predominantly under the per-diem service code S9098, which bundles equipment rental with nursing and blood draw, rather than under the equipment code E0202 (claim 68unverified)Read the current DMEPOS and home-health fee schedules of the California, Texas, Florida and New York Medicaid programs for E0202 and S9098 lines, and the home-phototherapy medical policies of the two largest commercial plans in each; revealed-behaviour twin: which code an operating home-phototherapy provider actually bills in each stateReimbursement analyst
A2A payer that prices E0202 as a monthly rental pays one full rental month's allowable for a home phototherapy episode of 2-4 days, rather than a prorated or per-day amount (claim 69unverified)The DME MAC supplier manual rule on rental-month billing for capped-rental items, plus the rental-unit definition in each target state's Medicaid DMEPOS provider manualReimbursement analyst
A3HCPCS E0202 has no row in the CMS Physician Fee Schedule RVU file, so no practice-expense RVU carries the cost of a device billed under it (claim 70unverified)python3 -m connectors rvu E0202 --jurisdiction US against the cached PFS RVU file, re-run by the VerifierVerifier
A4A newborn phototherapy readmission is paid to the hospital as a per-case DRG by state Medicaid programs and most commercial plans, so the avoided cost accrues to the payer, not the hospital, outside capitated or value-based contracts (claim 71unverified)The inpatient payment method (APR-DRG or other) in the target states' Medicaid hospital payment manuals, plus a commercial contract template or a health system's payer-mix disclosure on newborn admissionsReimbursement analyst

Where this case outruns the file

Every figure with no evidence behind it, gathered as work items.

Words on this page18 abbreviation(s) and code(s), with what each stands for — copied from _shared/plain-language.md
21 CFR
Title 21 of the Code of Federal Regulations — the US food-and-drug rulebook; a number after it is one regulation, often the one that classifies a device type
510(k)
premarket notification — the FDA route for a device shown to be as safe and effective as one already on the market; months, no clinical trial as a rule
BOM
bill of materials — the list of parts in a product and what each costs
CMS
Centers for Medicare & Medicaid Services — the US agency that runs Medicare, and so decides what Medicare pays for
CPT
Current Procedural Terminology — the US billing codes for what a clinician does; owned by the American Medical Association
DME
durable medical equipment — equipment a patient uses at home, such as a pump or a stimulator, that Medicare pays for under its own rules
DME MAC
durable medical equipment Medicare administrative contractor — one of the four regional contractors that process Medicare's home-equipment claims and write its local coverage rules
DMEPOS
durable medical equipment, prosthetics, orthotics and supplies — the Medicare benefit and fee schedule that home equipment is paid under
E####
a HCPCS code for durable medical equipment — one billing code for a piece of home equipment; the letter E and four digits
FDA
US Food and Drug Administration — the US regulator that clears or approves a device before it can be sold
FFS
fee-for-service — the traditional form of Medicare that pays per item or service
FTO
freedom to operate — whether a product can be sold without infringing someone else's live patent
HCPCS
Healthcare Common Procedure Coding System — the US billing codes for equipment, supplies and some services; a code is how a payer recognises what to pay for
K######
an FDA 510(k) clearance number — the public record of one cleared device; the letter K and six digits
NICE
National Institute for Health and Care Excellence — the English body whose guidelines say what the NHS should use
PFS
physician fee schedule — the Medicare price list for what clinicians do
RVU
relative value unit — the unit Medicare uses to price a clinician's work
S####
a HCPCS temporary national code — a billing code used by some private payers and not by Medicare