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Capacity, templates and the true cost of a no-show

An empty slot costs more than the visit it lost. How to measure schedule performance in a way that justifies fixing it.

6 min readGrowUrology editorial

An empty clinic waiting area in early-morning light, chairs aligned along a wall.

In short

  • Measure third-next-available, not average wait — it is the honest capacity signal.
  • The cost of an unfilled slot is the contribution it would have produced, and fixed cost runs regardless.
  • Template design usually beats overbooking as a remedy.

What this checklist covers · 3 parts

  1. 01Four measurements worth having
  2. 02Pricing the empty slot
  3. 03Fix the template before you overbook

Schedule problems are almost always measured with metrics that are too kind. Average wait time hides the constraint; utilisation hides the mix.

Four measurements worth having

  1. Third-next-available appointment, by visit type and by provider. It is harder to game than average wait and it responds quickly when capacity actually changes.
  2. No-show and same-day cancellation rate, split by visit type, payer and lead time. Long lead times reliably produce more no-shows; that is a template problem, not a patient problem.
  3. Slot utilisation against template, so you can see whether the template itself is wrong.
  4. Backlog by visit type. A new-patient backlog with open follow-up slots is a template mismatch, not a capacity shortage.

Pricing the empty slot

Use contribution, not charge. An unfilled slot costs you the contribution margin that visit would have generated — while rent, salaries and equipment continue. Once the number is written down, reminder workflows, waitlist calling and template changes stop looking like nice-to-haves.

Fix the template before you overbook

Overbooking transfers the problem to your staff and your patients' waiting time. Where no-shows cluster in specific visit types or lead times, redesigning the template — shorter lead times for high-risk types, held slots for acute access, matched visit lengths — addresses the cause instead of absorbing it.

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