NCD: National Coverage Determination
LCD: Local Coverage Determination
FI: Fiscal Intermediary
CMS: Centers for Medicare & Medicaid Services
LMRP: Local Medical Review Policy
CPT: Current Procedural Terminology
ICD-9: International Classification of Diseases- ninth edition
MAC: Medicare Appeals Council; the division that reviews unfavorable administrative law judge decisions
Part A: Pertains to billing for Technical aspects of care delivery. The hospital bills under Part A
Part B: Pertains to billing for Professional aspects of care delivery. The physician bills under Part B
Contractor: A private company under contract with Medicare to review and pay claims under Part A and B
Fiscal Intermediary: A Medicare contractor that reviews Part A claims
Carrier: A Medicare contractor that reviews Part B claims

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Medicare Terms (PDF)

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National CMS Benefit Policy: 20.5.3 Physician Supervision-Outpatient Therapeutic Services-eff 1-1-11 (PDF)

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Medicare Guidelines for HBO Services
The National Coverage Determination (NCD) is used by many of the states for either part A, part B or both. NCD rev 6/19/2006.pdf

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Can't find current data for your state?

        Search the CMS Medicare Coverage Database.
        Select the state and type in keyword: "hyperbaric oxygen."