The following terms used in 130 CMR 441.000 have the meanings given in 130 CMR 441.402 unless the context clearly requires a different meaning. The reimbursability of services defined in 130 CMR 441.402 is not determined by these definitions, but by application of 130 CMR 441.000 and 130 CMR 450.000: Administrative and Billing Regulations.

Chiropractic Manipulative Treatment – the correction of misalignments, subluxations, or segmental joint dysfunction of the bony articulations of the vertebral column, the pelvis, and adjacent areas.

Chiropractor – one who is licensed to practice chiropractic manipulation to correct interference with spinal nerves by adjusting the spinal column.

Community Health Center (CHC) – a participating community health center enrolled as a MassHealth CHC provider under 130 CMR 405.000: Community Health Center Manual.

Office Visit – a visit by a MassHealth member to a chiropractor's office for evaluation and management services performed by a MassHealth-enrolled chiropractor, or to a community health center (CHC) for evaluation and management services performed by a qualified chiropractor employed by, or under contract with, a MassHealth-enrolled CHC. These services do not include chiropractic manipulative treatment.

Subluxation – a segmental joint dysfunction, misalignment, fixation, or abnormal spacing of the vertebrae.