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Type the operation. Get the CPT codes.

Each code comes back with the ACGME category it counts toward.

Download on the App Store

Free to log. iOS 17 or later.

iPhone on the App Store · Android by invite

Your role decides which totals move.

A Lead case moves both totals. Senior moves Lead + Senior. Assistant moves neither.

Log a bedside EVD by itself.

An EVD, a lumbar drain, or a shunt tap counts toward its category.

Your log keeps working after the case.

  • Your usual operations, savedFirst 3 free, then Premium

  • Your year, day by day

  • Your Apple Notes, importedFree

Your patients never enter the app.

No name, no MRN, no birthday: the app has nowhere to put them.

Progress opens on what is furthest behind.

Graded against the ACGME minimums effective July 1, 2026.

  • Both totals, furthest behind first

  • Rollups count each case once

Capnolog is on the App Store.

Free to log. iOS 17 or later. Android is by invite for now.

Download on the App Store

Fellows, students, or a specialty still in beta? Join the private beta.

Neurosurgery questions

Can I prep a case before the day?
Not yet. Case prep is in development for neurosurgery. Notes and templates work today.
How long does one case take to log?
About 200 seconds by hand. A 2026 study timed 20 residents, PGY-1 to PGY-7, at one academic neurosurgery department from June to September 2025. Self-reported logging averaged 199.9 seconds per case. Confirming a case drafted from the hospital record averaged 68.4 seconds. Capnolog does not connect to a hospital record system.

Source: Owolo E et al. Neurosurgery. 2026

How many cases do residents log by graduation?
A median of 1,600 as Lead or Senior, in a national survey of 82 neurosurgery programs. The program averages ranged from 900 to 2,250. At 199.9 seconds each, 1,600 cases come to about 89 hours of logging. From July 1, 2026, the ACGME neurosurgery minimums total 800 Senior + Lead cases and 370 Lead cases. That table removed airway management, arterial line placement, and CVP line placement from critical care, which fell from 100 required cases to 70.

Sources: Burkhardt E et al. J Neurosurg. 2024; Owolo E et al. Neurosurgery. 2026; ACGME e-Communication, June 29, 2026

How many cases never reach the ACGME log?
Almost 1 in 5 at one neurosurgery program. Over one year, 14 residents had 2,150 procedures billed and 1,749 in their ACGME case logs, 18.65% fewer. At a second academic center, 58% of the neurosurgery cases in the operating-room record appeared in the ACGME case log.

Sources: McPheeters MJ et al. Surg Neurol Int. 2017; Collins C et al. J Surg Educ. 2020