The Non-API Residual:
An Empirical Methodology for Measuring Coordinator Throughput Across Payer Portals After CMS-0057-F
embed.js on owned pages; a browser extension on third-party payer tabs), multimodal visual grounding, and a mandatory human gate before Submit. Numbers in Section 4 are a specimen derivation that shows how the ruler works. They are not a live Availity observation.
1. The Regulatory Landscape: CMS-0057-F
Utilization management and prior authorization concentrate a large share of U.S. revenue-cycle administrative time. CMS-0057-F requires Medicare Advantage organizations, Medicaid and CHIP agencies, and QHP issuers on Federally Facilitated Exchanges to expose HL7 FHIR prior-authorization APIs by 1 January 2027.
Four carve-outs leave high-friction work on the desk after that date:
| Workflow / segment | CMS-0057-F scope | Desk impact |
|---|---|---|
| ERISA self-funded employer plans | Exempt. Department of Labor ERISA (29 U.S.C. § 1002), not CMS title authority. | A large share of commercially insured workers. Portals and fax remain operating channels. |
| Specialty drug prior authorization | Excluded from the rule’s PA API provisions for pharmacy-benefit drugs. | GLP-1s, oncology infusions, and biologics stay manual. |
| Clinical review handoffs | API can carry a structured request. It does not assemble the chart packet. | Notes, labs, and attachments remain human-collated when review is not instant. |
| Denials, rebuttals, status chase | Decision-reason obligations do not automate the appeal desk or the IVR. | Packet assembly and phone trees persist. |
| 2026–2028 mixed book | Staggered payer rollouts. | Staff context-switch between FHIR lanes and portal lanes. A mixed book is more expensive than a uniformly manual one. |
DeskGate does not contest the API. It measures and stages the residue the statute leaves behind.
2. Governance: Spear of Medicine, Human Gate, Zero-Retention
Clinical AI stalls when the vendor cannot say who is the filing actor. Scope is limited as follows.
▪ Tip — diagnosis, prescribing, patient-facing care. Excluded. DeskGate never touches.
▪ Near-tip — medical-necessity determination. Excluded. The EHR and physician already decided.
▪ Mid-shaft — portal field staging, PDF merge, attachment collation. Workstation.
▪ Shaft — session inheritance, DOM micro-actions, IVR chase, REA hashing. Runtime.
Human gate. The runtime stages fields and attachments, then stops. The licensed coordinator inspects and clicks Submit. Legal filing authority does not transfer.
HIPAA / 45 CFR § 164.312. ePHI is processed in workstation RAM for the session and is not written to a DeskGate database. Production screen-reads route only to BAA-eligible providers (Anthropic Claude on a HIPAA-ready organization, or Vertex AI under a Google Cloud BAA). Developer-tier Gemini keys are synthetic-only. Zero-retention describes DeskGate storage, not a provider void: Anthropic Covered Models retain approximately 30 days. Each completed case can emit a SHA-256 hashed Residual Evidence Artifact (REA v1.2).
Two runtimes. embed.js mounts on pages the practice owns. Third-party payer tabs (Availity, CoverMyMeds) require the operator extension. The website overlay cannot see Epic or Availity from deskgate.app.
3. Occupational Mapping and Price-Plus-Burden
Tasks are mapped to USDOL/ETA O*NET codes so the boundary is occupational, not marketing.
| O*NET | Role | Staged by runtime | Kept human |
|---|---|---|---|
| 43-6013.00 | Medical secretaries & admin assistants | Form completion, note compilation, field map | Phone triage, scheduling, greeting |
| 29-2072.00 | Medical records specialists | Retrieval, diagnostic/CPT transcription, collation | Release authority, training, governance |
| 43-9041.00 | Insurance claims & policy processing | Portal field entry, uploads, status check | Insured communication, complex exceptions |
| 43-3021.00 | Billing & posting clerks | Statement assembly, error-revision staging | Ledger reconciliation, counseling |
| NEW TASK | Review gate (Time-at-Gate) | Inspection of staged output before Submit. Product-created drag. Specimen median ~1:52. | |
Price-plus-burden
Gross “minutes saved” that ignore review time are not a ledger. Time-at-Gate is deducted before net capacity is claimed.
- Baseline parameter (specimen): ~80 minutes cumulative touch-time on a residual specialty PA case.
- Staging clock: in-session visual grounding; seconds, not the 80-minute block.
- Time-at-Gate (specimen): 1 minute 52 seconds median review. At 4,000 cases/year that is ~124 coordinator-hours.
- Net: only after gate time and onboarding hours.
4. Schedule M Protocol and Specimen Ledger
Schedule M is a 14-day measurement on one named portal family against a certified written historical baseline. A completed unit requires human-confirmed Submit and a payer tracking reference captured in the same session.
Specimen derivation
| Value | Metric | Source class |
|---|---|---|
| 39 requests | Average PA requests per physician per week (all cases) | AMA physician survey benchmark |
| 13.0 hours | Staff and physician time per physician per week on PA | AMA physician survey benchmark |
| 20.0 min | Implied average staff time per routine request | Derived from AMA figures |
| 80.0 min | Touch-time parameter for a residual non-API specialty case | DeskGate stated baseline — not measured on a named desk |
| 390 min | Productive minutes per coordinator-day | Operating assumption (6.5 hours) |
| 4.88 cases | Baseline completed cases / coordinator-day (390 ÷ 80) | Derived specimen baseline |
| 6.40 cases | Illustrative staged throughput | Illustrative staged cohort — replace with observed |
14-day cohort specimen
| Layer | Dimension | Pre-period | 14-day specimen | Delta |
|---|---|---|---|---|
| A Outcome | Completed cases / coordinator-day | 4.88 | 6.40 | +30.6% rate 23.8% days avoided |
| A Allocation | Coordinator-days in window | 78.0 equiv. | 39.5 allocated | 4-coordinator illustration |
| B Contribution | Gate acceptance, zero material edit | n/a | 70.8% (179) | Verification metric — specimen |
| B | Accepted after coordinator edit | n/a | 22.1% (56) | Field adjustment |
| B | Pre-gate return (exceptions) | n/a | 7.1% (18) | Returned to clinic queue |
| C Diagnostic | Median time-to-gate | ~80 min touch | 0 min 41 sec | Specimen staging clock |
| C | Median time-at-gate | 0 (new task) | 1 min 52 sec | Deduct as drag |
| D Integrity | Unauthorized autonomous submits | 0 | 0 (100% gated) | Required invariant |
| D | Cohort / eligible / excluded | — | 261 / 253 / 8 | Pre-registered exclusions — specimen |
5. Design-Partner Reference Desk Charter
First two reference desks run under these covenants so the specimen can be replaced by an observation.
- Fee: Schedule S access, Schedule I mapping, and Schedule M measurement at zero charge. No setup invoice.
- Scope: one named high-friction portal family (Availity, CoverMyMeds, or a named regional plan).
- Partner provides: certified written baseline, named seats, frozen eligible cohort, permission to publish a blinded ledger.
- PHI: live charts only after entity + customer BAA +
PHI_MODE. Otherwise synthetic or de-identified. - Output: one-page blinded before/after: cases per coordinator-day on that portal family.
By: _____________________________________
Hans Johannes Schulte
Systems & Product Architect
Date: ___________________________________
By: _____________________________________
Authorized operations / executive lead
Title: ___________________________________
Date: ___________________________________
6. References
- CMS-0057-F, Interoperability and Prior Authorization Final Rule, 89 FR 8758 (42 CFR Parts 422, 431, 435, 438, 440, 457).
- Employee Retirement Income Security Act of 1974, Pub. L. 93-406, 29 U.S.C. § 1002 et seq.
- HIPAA Security Rule, 45 CFR § 164.312.
- American Medical Association, Prior Authorization Physician Survey (recent iterations). Used here as published benchmarks, not as DeskGate field measurement.
- U.S. Department of Labor / ETA, O*NET OnLine, SOC 43-6013.00, 29-2072.00, 43-9041.00, 43-3021.00 (CC BY 4.0).
DeskGate, Inc. · https://deskgate.app · hans@deskgate.app · +1 (302) 244-7953
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