100-04 | CMS

About Open Door ForumsAmbulanceEnd-Stage Renal Disease (ESRD) & Clinical LaboratoriesHome Health, Hospice & Durable Medical Equipment (DME)HospitalLong-Term Services & SupportsPhysicians, Nurses and Allied Health ProfessionalsRural HealthSkilled Nursing Facilities (SNFs)/Long-Term CareSpecial Open Door forumsLook up topicsBack tomenusection title h3MedicareMedicaidCHIPAmerican Indian/Alaska Native CenterQuality of careSpecial populationsFraud & abuseStatesPrivacyHealth conditions & campaignsNew Medicare CardHIPAA Administrative SimplificationLearn MoreBack tomenusection title h3Attend eventsFind resourcesGet trainingFind tools to help you help othersGet digital mediaFind your provider typeBack tomenusection title h3Physicians & other health professionalsFacilitiesHealth & drug plansEmployers & unionsBreadcrumbBack to Internet-Only Manuals (IOMs)3 ColumnHave to check the length of the leftnav to see if the menu is there.100-04Dynamic List InformationDynamic List DataPublication #100-04TitleMedicare Claims Processing ManualDownloadsChapter 1 - General Billing RequirementsChapter 1 CrosswalkChapter 2 - Admission and Registration RequirementsChapter 2 CrosswalkChapter 3 - Inpatient Hospital BillingChapter 3 CrosswalkChapter 4 - Part B Hospital (Including Inpatient Hospital Part B and OPPS)Chapter 4 CrosswalkChapter 5 - Part B Outpatient Rehabilitation and CORF/OPT ServicesChapter 5 CrosswalkChapter 6 - Inpatient Part A Billing and SNF Consolidated BillingChapter 6 CrosswalkChapter 7 - SNF Part B Billing (Including Inpatient Part B and Outpatient Fee Schedule)Chapter 7 CrosswalkChapter 8 - Outpatient ESRD Hospital, Independent Facility, and Physician/Supplier ClaimsChapter 8 CrosswalkChapter 9 - Rural Health Clinics/Federally Qualified Health CentersChapter 9 CrosswalkChapter 10 - Home Health Agency BillingChapter 10 CrosswalkChapter 11 - Processing Hospice ClaimsChapter 11 CrosswalkChapter 12 - Physicians/Nonphysician PractitionersChapter 12 CrosswalkChapter 13 - Radiology Services and Other Diagnostic ProceduresChapter 13 CrosswalkChapter 14 - Ambulatory Surgical CentersChapter 14 CrosswalkChapter 15 - AmbulanceChapter 15 CrosswalkChapter 16 - Laboratory ServicesChapter 16 CrosswalkChapter 17 - Drugs and BiologicalsChapter 17 CrosswalkChapter 18 - Preventive and Screening ServicesChapter 18 CrosswalkChapter 19 - Indian Health ServicesChapter 20 - Durable Medical Equipment, Prosthetics, Orthotics and Supplies (DMEPOS)Chapter 20 CrosswalkChapter 21 - Medicare Summary NoticesChapter 21 - Medicare Summary Notices - English ExhibitsChapter 21 - Medicare Summary Notices - Spanish ExhibitsChapter 21 CrosswalkChapter 22 - Remittance AdviceChapter 22 CrosswalkChapter 23 - Fee Schedule Administration and Coding RequirementsChapter 23 CrosswalkChapter 24 - General EDI and EDI Support Requirements, Electronic Claims and Coordination of Benefits Requirements, Mandatory Electronic Filing of Medicare ClaimsChapter 24 CrosswalkChapter 25 - Completing and Processing the Form CMS-1450 Data SetChapter 25 CrosswalkChapter 26 - Completing and Processing Form CMS-1500 Data SetChapter 26 CrosswalkChapter 27 - Contractor Instructions for CWFChapter 28 - Coordination With Medigap, Medicaid, and Other Complementary InsurersChapter 28 CrosswalkChapter 29 - Appeals of Claims DecisionsChapter 29 CrosswalkChapter 30 - Financial Liability ProtectionsChapter 30 CrosswalkChapter 31 - ANSI X12N Formats Other Than Claims or RemittanceChapter 31 CrosswalkChapter 32 - Billing Requirements for Special ServicesChapter 33 - Miscellaneous Hold Harmless ProvisionsChapter 34 - Reopening and Revision of Claim Determinations and DecisionsChapter 35 - Independent Diagnostic Testing Facility (IDTF)Chapter 36 - Competitive BiddingChapter 37 - Department of Veterans Affairs (VA) Claims Adjudication Services ProjectChapter 38 - Emergency Preparedness Fee-For-Service GuidanceChapter 39  Opioid Treatment Programs (OTPs)footerGet email updatesSign up to get the latest information about your choice of CMS topics. 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