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Where patients slip away after the consultation

Health systems spend heavily to win the first visit, yet much of a patient relationship's value is decided afterward, when follow-ups, diagnostics and referrals wait for someone to book them. Leading networks are managing each post-visit step as an owned obligation, with the right care-team member following up.

HealthcareSegeta Insights
Healthcare
The number$$50K

of margin a day lost by a 40-clinic specialty network

What is at stake

Each month of unmanaged handoffs can cost a 40-clinic specialty network about $$1.5 million in margin.

Where days are lost
  1. Advice to booking
  2. Referral to specialist
  3. Diagnostics to treatment

Most health systems measure demand at the front door. Marketing budgets, access centers and growth dashboards track new patients, call volumes and first appointments, and service-line plans are built on those counts. Yet the value of a patient relationship is largely decided after the first consultation, when a follow-up visit, an imaging study or a specialist referral depends on someone completing a booking that no one is measured on.

Each of those steps is an obligation that sits between systems: the order lives in the EHR, the slot in a scheduling tool, the reminder in a CRM and the patient's reply in a text thread or a call queue. When no single person owns the step, the patient books elsewhere or never books at all. Innovaccer's 2026 survey of 110 hospital finance, operations and growth leaders found that the best performers convert 76 percent of referrals into appointments, against 41 percent for the weakest.1 The sections that follow trace why patient leakage is rising, where the days are lost and what a day of leakage costs a specialty network.

Consumer choice, fragmented networks and thin staffing are widening the gap

Patients now switch providers with less friction than most planning models assume. In Accenture's 2024 survey of 8,000 US adults, about one in five had switched providers in the past year, nearly 90 percent of those who switched said the organization was hard to do business with, and about 70 percent cited access as a deciding factor.2 Executives already see the effect, since hospital and health system leaders surveyed for a report cited by Definitive Healthcare estimated that patient leakage reduced revenue by roughly 17 percent in 2021.3

Networks have also grown more fragmented as health systems add employed groups, ambulatory sites and affiliated specialists, each with its own scheduling rules and intake steps. The people who close those gaps are the hardest to keep: in MGMA's 2026 poll, 28 percent of medical groups reported higher staff turnover than the prior year, with churn concentrated in medical assistants and front-desk roles.4 Margins leave little room to absorb the loss, because 48 percent of medical group leaders told MGMA in late 2025 that operating margin per physician had worsened from the prior year.5

Patient leakage concentrates at three handoffs after the visit

Most patient leakage occurs after a clinician has already recommended the next step, and completion data are consistent across settings. In a JAMA Network Open study of 4,133 primary care orders, only 58.4 percent of tests and referrals placed at in-person visits were completed within the designated time frame, and 42.6 percent of those placed at telehealth visits.6 Innovaccer estimates that avoidable referral leakage costs a typical 400-bed system $$6.2 million a year, equal to 270 to 315 basis points of operating margin.1

Fragmented workflows and broken referral loops cost a typical 400-bed system about $$2.1 million a year.

Exhibit 1Fragmented workflows and broken referral loops cost about $$2.1 million a yearEstimated annual revenue lost by failure point, typical 400-bed US system, millions of dollars
Wait and abandonment1.7
Limited availability1.5
Fragmented workflows1.2
Insurance and prior auth0.99
Referral loop failures0.87

Source: Innovaccer, The Economics of Patient Access in 2026, via Healthcare Finance News, 2026

01Advice to booking

A physician recommends a review visit, and the patient leaves with the advice in the after-visit summary and no appointment in the scheduling system. The follow-up then depends on the patient calling back or on a front-desk team working a recall list by hand, and MGMA reports that front-desk roles remain among the most common churn points in medical groups.4 Each unbooked review is a lost visit and, often, a lost downstream procedure.

02Referral to specialist

A referral order in the EHR still needs an eligibility check, a prior authorization, records sent to the receiving clinic and a slot that suits the patient. Innovaccer estimates that waits and abandonment cost a typical system $$1.7 million a year, with insurance and prior authorization friction adding a further $$0.99 million.1 A foundational study of older urban adults found that only about half of specialist referrals gave patients the chance to receive the care their physician intended.7

03Diagnostics to treatment

Imaging and laboratory results return to a clinician's inbox, and the recommended follow-up study or treatment decision waits for someone to act on it. In a study at a Boston academic medical center, follow-up imaging was completed for 74.8 percent of radiologist recommendations that referring clinicians had accepted, leaving about one in four open.8 An open result can mean a delayed diagnosis for the patient and a treatment episode that the network never delivers.

An obligation-based operating model keeps every next step owned

Leading networks are beginning to manage each post-visit step as an obligation with an owner, a deadline and a cost for every day it stays open. A live layer reads the systems already in use, including the EHR, scheduling, CRM, payer portals, call center logs and WhatsApp or SMS threads, and runs a four-step loop:

  1. Detect

    an advised follow-up, referral or result that has no booked appointment within its clinical window, such as a cardiology review recommended at discharge.

  2. Explain

    why the step is still open, from a pending prior authorization to a patient who declined the offered slot or never opened the message.

  3. Recommend

    the next action and the person best placed to take it, such as a coordinator call, a self-scheduling link or an earlier slot at a nearby site.

  4. Execute and track

    each outreach until the appointment is booked and kept, measuring the visits and treatment episodes retained.

The patient-facing side matters as much as the internal loop. AI-native engagement can answer questions about preparation, cost or location in plain language, offer slots in the channel the patient already uses and route clinical or personal concerns to the right care-team member. Artificial intelligence does the reading, linking and drafting, while nurses, coordinators and physicians remain accountable for every clinical judgment and every conversation that needs a person.

A specialty network can lose about $$50,000 of margin a day

The cost of a day in specialty care delivery is the contribution margin lost for each day that advised follow-ups, referrals and diagnostic orders remain unbooked, including the procedures and treatment episodes they would have generated.

Each month of unmanaged handoffs can cost a 40-clinic specialty network about $$1.5 million in margin.

Exhibit 2. Estimated daily contribution margin lost to patient leakage, composite 40-clinic specialty network

ComponentBasisEstimate per day
Unbooked follow-up visitsAssumes 40 clinics with 60 consultations a day each (2,400 visits), 30 percent of visits carrying an advised follow-up and 20 percent of those never booked (144 visits), at an assumed $$90 contribution margin per visitAbout $$13,000
Leaked referrals and diagnostic ordersAssumes 15 percent of visits generate an internal referral or diagnostic order (360 a day) and conversion of 59 percent, close to the in-person completion rate in 6 and 17 points below the 76 percent achieved by top performers 1 (about 61 orders), at an assumed $$600 contribution margin per completed episodeAbout $$36,700
Total contribution margin lost per daySum of the two componentsAbout $$49,700

Source: Segeta estimate based on Innovaccer and JAMA Network Open data; visit volumes, follow-up rates and margins are illustrative assumptions.

On these assumptions, 30 days of unmanaged handoffs cost about $$1.5 million of contribution margin and 60 days about $$3.0 million. Part of that loss is recovered when patients return later on their own, and some leakage reflects patient preference or payer network rules that outreach should respect. Capacity also limits recapture, because a network can retain only the referrals it has specialist and imaging slots to serve.

What COOs and service-line leaders can do now

  1. 01Count completions alongside new patient volume

    Report the share of advised follow-ups, referrals and diagnostic orders that become kept appointments, by service line and by site.

  2. 02Give every open order a named owner

    Assign each unbooked follow-up, referral and result to a coordinator or care team, with a clinical window and an escalation path.

  3. 03Price patient leakage in margin per day

    Attach a contribution margin to each open obligation, so a backlog of unbooked referrals is discussed with the urgency of an idle procedure room.

  4. 04Meet patients in the channels they use

    Offer booking, preparation guidance and reminders over SMS, WhatsApp and voice, with a clear handoff to a person for clinical questions.

  5. 05Close the loop with referring physicians

    Send status back to every referrer, internal or affiliated, so the clinician who made the recommendation can see whether the patient was seen.

Health systems cannot control every patient's choice of provider, yet they can control whether each recommended next step has an owner and a deadline. Networks that manage the period after the consultation as carefully as the first appointment are likely to retain more of the care they have already earned and to give patients a clearer path through it.

Questions leaders ask

What is patient leakage in healthcare?

Patient leakage is care that a health system's own clinicians recommend but that the patient receives elsewhere or never receives at all. It often occurs after the first consultation, when a follow-up visit, a diagnostic test or a specialist referral depends on a booking that no one owns, and it shows up as lost visits, procedures and treatment episodes.

What percentage of referrals are completed?

Completion rates vary widely. A JAMA Network Open study of 4,133 primary care orders found that 58.4 percent of tests and referrals from in-person visits were completed on time, against 42.6 percent from telehealth visits. Innovaccer's 2026 survey found that top-performing hospitals convert 76 percent of referrals into appointments and the weakest convert 41 percent.

How much revenue do hospitals lose to referral leakage?

Innovaccer's 2026 survey of 110 hospital leaders estimates that avoidable referral leakage costs a typical 400-bed system $$6.2 million a year, equal to 270 to 315 basis points of operating margin. Waits and abandonment, limited availability and fragmented workflows account for the largest shares of that loss.

How can health systems reduce patient leakage?

Health systems can measure the share of advised follow-ups, referrals and diagnostic orders that become kept appointments, assign a named owner to each open order and price the daily margin at stake. Patient engagement over SMS, WhatsApp and voice, with escalation to the right care-team member, helps convert recommendations into booked care.

Notes and sources
  1. Eve Bender, "Survey finds hospitals face revenue leakage from patient access barriers," Healthcare Finance News, June 2026, reporting Innovaccer, "The Economics of Patient Access in 2026," healthcarefinancenews.com.
  2. American Hospital Association, "Survey: Without a top-notch consumer experience, expect patient flight," AHA Center for Health Innovation Market Scan, May 2024, reporting Accenture, "How can providers drive patient engagement and loyalty," aha.org.
  3. Definitive Healthcare, "Leaky health system: Prioritize keeping patients," January 2024, citing About Healthcare, "Patient Leakage and Keepage," definitivehc.com.
  4. MGMA, "Stabilized but not solved: Staff turnover in 2026," MGMA Stat, May 2026, mgma.com.
  5. MGMA, "Does your margin have breathing room," MGMA Stat, October 2025, mgma.com.
  6. Anthony Zhong et al., "Completion of recommended tests and referrals in telehealth vs in-person visits," JAMA Network Open, November 2023, jamanetwork.com.
  7. Michael Weiner, Anthony J. Perkins and Christopher M. Callahan, "Errors in completion of referrals among older urban adults in ambulatory care," Journal of Evaluation in Clinical Practice, February 2010, as reported by ScienceDaily, sciencedaily.com. Cited as a foundational study.
  8. AuntMinnie, "One-fourth of disadvantaged patients don't undergo follow-up imaging," October 2022, reporting Neena Kapoor et al., American Journal of Roentgenology, auntminnie.com.