Sleep Medicine Billing Cheat Sheet (2026)

Most sleep-study denials are set before the patient ever sleeps. Payers now require a home sleep test first and reject attended polysomnography that skips it, and the study code itself depends on attended versus unattended and how many parameters were recorded.

AAPC-Certified
2026 Medicare Fee Schedule
9 Codes Priced

Quick reference for sleep medicine billers. Last updated .

Top Sleep Medicine CPT Codes & 2026 Medicare Allowables

CodeDescriptionNon-FacilityFacilityTotal RVU
95810Polysomnography, 6+ years, with 4+ parameters$673.70$673.7020.17
95811Polysomnography with CPAP titration$707.77$707.7721.19
95800Sleep study, unattended, with heart rate and pulse oximetry$141.29$141.294.23
95801Sleep study, unattended, with sleep time recording$103.88$103.883.11
95805Multiple sleep latency test$479.64$479.6414.36
95806Sleep study, unattended, type IV$103.21$103.213.09
94660Continuous positive airway pressure (CPAP) ventilation initiation$69.14$32.402.07
94762Pulse oximetry, overnight$24.05$24.050.72
99213Established patient office visit, low MDM$95.19$57.452.85

National 2026 Medicare Physician Fee Schedule estimates (total RVU multiplied by the conversion factor). These are adjusted by state locality. See the per-state table on the Sleep Medicine billing services page.

Modifiers That Prevent Sleep Medicine Denials

26 or TC

Splitting the professional interpretation from the technical component on sleep studies when the practice does not own both.

52

A reduced service, such as a polysomnography with fewer than the required parameters or hours, with documentation.

59 or XU

A distinct service separate from the sleep study that NCCI would otherwise bundle.

GA

An ABN is on file for a study likely to be denied as not medically necessary or out of policy sequence.

76

A repeat study by the same physician with the medical reason documented.

25

A significant, separately identifiable E/M on the same day as a sleep-related procedure.

Top Sleep Medicine Denials → Quick Fix

Attended PSG denied for skipping the home testCO-197

Most payers require a home sleep test first for uncomplicated suspected OSA. Document why an attended study (95810) was clinically required, or follow the HST-first pathway.

Study parameters or hours insufficientCO-16

95810 requires the minimum parameters and recording time. If reduced, append modifier 52 and document why; billing the full code without the criteria is a coding denial.

Split-night study coded incorrectlyCO-16

A split-night study (diagnosis then CPAP titration in one night) has its own code (95811). Document the split and the titration criteria met.

Medical necessity not establishedCO-50

Document the symptoms, screening (such as STOP-Bang), and the indication. A study without a documented clinical indication is denied.

Professional component missingCO-16

Bill the interpretation with modifier 26 when the physician reads a study performed on equipment the practice does not own.

NCCI Bundling Watch-Outs

Code pairs from this specialty's set that carry NCCI edits. Billing both without a justified modifier triggers a bundling denial.

CodeBundles WithRationale
958100903TMisuse of Column Two code with Column One code
958100904TMisuse of Column Two code with Column One code
958110903TMisuse of Column Two code with Column One code
958110904TMisuse of Column Two code with Column One code
958000903TMisuse of Column Two code with Column One code
958000904TMisuse of Column Two code with Column One code
958010903TMisuse of Column Two code with Column One code
958010904TMisuse of Column Two code with Column One code

Documentation That Holds Up on Appeal

Attended PSG (95810)

The parameters recorded, total recording time, and why an attended study was required over a home test.

CPAP titration or split-night (95811)

The titration criteria met and, for split-night, the diagnostic-then-titration sequence in one night.

Home sleep test (95800, 95801, 95806)

The device type and parameters, since the unattended codes differ by what was recorded.

Any study

The clinical indication, symptoms, and screening that establish medical necessity and the payer pathway.

Equipment and read

Ownership and who interpreted, for the global, technical, or professional split.

Revenue Sleep Medicine Practices Leave on the Table

$

Performing attended PSG without documenting why the home-test-first pathway did not apply, then losing the claim.

$

Billing the full polysomnography code when parameters or hours fell short instead of using modifier 52.

$

Miscoding a split-night study as a separate diagnostic plus titration.

$

Losing the professional component on studies read but not owned by the practice.

Sleep Medicine Billing FAQ

Do payers require a home sleep test before attended PSG?

Most do for uncomplicated suspected obstructive sleep apnea. Attended polysomnography (95810) that skips it is denied unless the documentation shows an attended study was clinically required, such as significant comorbidity.

How is a split-night study coded?

With its own code (95811) when diagnosis and CPAP titration occur in the same night and the titration criteria are met. Documenting the split sequence is what supports it.

What if the study had fewer parameters than required?

Append modifier 52 for the reduced service and document why. Billing the full code without meeting its parameter and time criteria is a coding-accuracy denial.

What establishes medical necessity for a sleep study?

Documented symptoms, a screening tool result, and a clinical indication. A study ordered without a documented indication is denied for medical necessity.

Stop Losing Sleep Medicine Revenue to Preventable Denials

Our AAPC-certified sleep medicine coders apply every rule on this sheet to your claims. Call 888-701-6090 for a free billing assessment.