Source Directory
Official Medical Billing and Medicare Sources
Reviewed CMS, HHS, Medicare Coverage Database, DME MAC, claim, coding, payment, documentation, and appeals sources used throughout the learning and research library.
billing educationAdopted Standards and Operating RulesU.S. Department of Health and Human ServicesSupports billing fundamentals lessons.Reviewed 2026-07-10dme macCGS Jurisdiction B DMECGS AdministratorsDME MAC Jurisdiction B portal for coverage, fee schedule, claims, education, and supplier resources.Reviewed 2026-07-09fee scheduleCGS Jurisdiction C DMEPOS Fee Schedule SearchCGS AdministratorsJurisdiction C fee schedule search based on CMS DMEPOS and PEN fee schedule files.Reviewed 2026-07-09fee scheduleCMS DMEPOS Fee Schedule FilesCenters for Medicare & Medicaid ServicesOfficial DMEPOS fee schedule file directory, including 2026 quarterly file entries such as January, April, and July 2026.Reviewed 2026-07-09billing educationCMS Interoperability and Prior Authorization Final Rule CMS-0057-FCenters for Medicare & Medicaid ServicesSupports medicare compliance lessons.Reviewed 2026-07-10lcdCMS Local Coverage DeterminationsCenters for Medicare & Medicaid ServicesCMS overview and links for Local Coverage Determinations and related coverage resources.Reviewed 2026-07-09dme macCMS MAC Websites and PortalsCenters for Medicare & Medicaid ServicesOfficial CMS directory for Medicare Administrative Contractor websites, including DME MAC links and portals.Reviewed 2026-07-09lcdCMS Medicare Coverage Database SearchCenters for Medicare & Medicaid ServicesOfficial search entry point for LCDs, billing and coding articles, NCDs, and coverage documents by CPT/HCPCS code, ICD code, or keyword.Reviewed 2026-07-09billing educationComplying with Medical Record Documentation RequirementsMedicare Learning NetworkSupports dme reimbursement lessons.Reviewed 2026-07-10cmsDMEPOS Master List and Required Lists ComparisonCenters for Medicare & Medicaid ServicesCurrent CMS comparison used to distinguish master-list presence from active prior authorization and face-to-face/WOPD required-list status.Reviewed 2026-07-09billing educationElectronic Health Care ClaimsCenters for Medicare & Medicaid ServicesSupports medicare compliance lessons.Reviewed 2026-07-10billing educationEligibility and Benefits TransactionCenters for Medicare & Medicaid ServicesSupports billing fundamentals lessons.Reviewed 2026-07-10billing educationFee-for-Service Advance Beneficiary Notice of NoncoverageCenters for Medicare & Medicaid ServicesSupports medicare compliance lessons.Reviewed 2026-07-10billing educationFirst Level of Appeal: Redetermination by a Medicare ContractorCenters for Medicare & Medicaid ServicesSupports denials and appeals lessons.Reviewed 2026-07-10billing educationHCPCS Release and Code SetsCenters for Medicare & Medicaid ServicesSupports dme reimbursement lessons.Reviewed 2026-07-10billing educationHealth Care Payment and Remittance AdviceCenters for Medicare & Medicaid ServicesSupports denials and appeals lessons.Reviewed 2026-07-10billing educationICD-10 Code Files and Official GuidelinesCenters for Medicare & Medicaid ServicesSupports billing fundamentals lessons.Reviewed 2026-07-10fee scheduleJuly 2026 DMEPOS Fee Schedule (DME26-C)Centers for Medicare & Medicaid ServicesOfficial source for the site's 2026 Q3 state, rural/non-rural, modifier, payment category, ceiling, and floor fee records.Reviewed 2026-07-09billing educationMedicare Billing: 837P and Form CMS-1500Medicare Learning NetworkSupports medicare compliance lessons.Reviewed 2026-07-10billing educationMedicare Billing: CMS-1450 and 837IMedicare Learning NetworkSupports medicare compliance lessons.Reviewed 2026-07-10billing educationMedicare Claims Processing Manual (Publication 100-04)Centers for Medicare & Medicaid ServicesSupports dme reimbursement lessons.Reviewed 2026-07-10billing educationMedicare Claims Processing Manual, Chapter 1 - General Billing RequirementsCenters for Medicare & Medicaid ServicesSupports medicare compliance lessons.Reviewed 2026-07-10billing educationMedicare Enrollment for Providers and SuppliersCenters for Medicare & Medicaid ServicesSupports medicare compliance lessons.Reviewed 2026-07-10billing educationMedicare Fee-for-Service PaymentCenters for Medicare & Medicaid ServicesSupports billing fundamentals lessons.Reviewed 2026-07-10billing educationMedicare NCCI FAQ LibraryCenters for Medicare & Medicaid ServicesSupports coding rules lessons.Reviewed 2026-07-10billing educationMedicare NCCI Procedure-to-Procedure EditsCenters for Medicare & Medicaid ServicesSupports coding rules lessons.Reviewed 2026-07-10billing educationMedicare Secondary PayerCenters for Medicare & Medicaid ServicesSupports medicare compliance lessons.Reviewed 2026-07-10billing educationNational Correct Coding Initiative for MedicareCenters for Medicare & Medicaid ServicesSupports coding rules lessons.Reviewed 2026-07-10dme macNoridian Jurisdiction D DMENoridian Healthcare SolutionsDME MAC Jurisdiction D portal for supplier education, notices, policies, and operational guidance.Reviewed 2026-07-09lcdNoridian Local Coverage DeterminationsNoridian Healthcare SolutionsDME MAC LCD access point with links to active LCDs and CMS Medicare Coverage Database records.Reviewed 2026-07-09billing educationOriginal Medicare Fee-for-Service AppealsCenters for Medicare & Medicaid ServicesSupports denials and appeals lessons.Reviewed 2026-07-10billing educationPlace of Service Code SetCenters for Medicare & Medicaid ServicesSupports professional claims lessons.Reviewed 2026-07-10lcdPositive Airway Pressure (PAP) Devices for the Treatment of Obstructive Sleep Apnea (L33718)CMS Medicare Coverage DatabaseActive PAP coverage record used for initial and continued coverage, replacement, accessory frequency, refill, order, and delivery research.Reviewed 2026-07-09policy articlePositive Airway Pressure (PAP) Devices Policy Article (A52467)CMS Medicare Coverage DatabaseOfficial PAP coding, modifier, documentation, and policy-specific billing article connected to the verified PAP code set.Reviewed 2026-07-09policy articleStandard Documentation Requirements for All Claims Submitted to DME MACs (A55426)CMS Medicare Coverage DatabaseOfficial DME MAC documentation article covering orders, medical records, continued need and use, refill records, and proof of delivery.Reviewed 2026-07-09