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Sleep Center CPT Codes and Modifiers for 2025

Keep updated with these CPT codes and modifiers for sleep centers in 2025.
Read Time: 4 minutes
Mar 26, 2025

Sleep centers play a critical role in diagnosing and managing conditions like obstructive sleep apnea, insomnia, narcolepsy, and restless leg syndrome. But with rapidly evolving technology and payer rules, proper coding is essential. This guide includes the most relevant Sleep Center CPT codes and modifiers for 2025, including polysomnography (PSG), home sleep apnea tests (HSAT), and follow-up services.

Diagnostic Sleep Studies (Polysomnography)

CPT CodeDescription
95810PSG, attended, with sleep staging, no CPAP
95811PSG, attended, with CPAP/BiPAP titration
95782PSG, pediatric, no CPAP
95783PSG, pediatric, with CPAP

Home Sleep Apnea Testing (HSAT)

CPT CodeDescription
95800Sleep study, unattended, cardio-respiratory
95801Sleep study, unattended, limited parameters
95806HSAT, unattended, 3+ parameters
G0398Home sleep test with type II monitor
G0399Home sleep test with type III monitor
G0400Home sleep test with type IV monitor

MSLT & MWT

CPT CodeDescription
95805MSLT or MWT, full day sleepiness testing

Follow-Up & Management Services

CPT CodeDescription
99441–99443Telephone E/M (5–30+ min)
99457Remote monitoring (e.g., CPAP adherence), 20+ min
99458Each additional 20 minutes
99212–99215Established patient E/M visits
G0402 / G0438 / G0439Medicare wellness visits

Modifiers for Sleep Studies

ModifierDescription
-26Professional component (interpretation only)
-TCTechnical component (equipment/staff)
-25Separate E/M on same day as study
-52Reduced service (e.g., incomplete study)
-59Distinct procedural service
-91Repeat diagnostic test

Common ICD-10 Codes for Sleep Centers

ICD-10 CodeDescription
G47.33Obstructive sleep apnea
G47.30Sleep apnea, unspecified
G47.00Insomnia, unspecified
G47.10Hypersomnia, unspecified
G47.419Narcolepsy without cataplexy
R06.83Snoring
R06.89Other abnormal breathing
Z01.89Special exam (e.g., consult)

Sleep Center Coding Tips for 2025

  • Use -26/-TC when billing separately for physician vs. lab components.
  • Use -52 for early term or incomplete studies (e.g., technical failures).
  • Repeat testing (e.g., HSAT) requires clear documentation for medical necessity.
  • Document all parameters recorded in PSG and HSAT for compliance.

Final Thoughts

Sleep centers must navigate strict documentation, coverage policies, and coding guidelines. With this guide to Sleep Study CPT codes and modifiers for 2025, your practice can avoid denials and ensure accurate reimbursement—whether you’re conducting PSGs, interpreting HSATs, or managing long-term CPAP use.

For informational purposes only.