"Anatomic pathology service", histopathology, surgical pathology, cytopathology, hematology, subcellular pathology, molecular pathology and blood-banking services performed by a pathologist.
"Charge", the uniform price for specific services within a revenue center of a hospital.
"Cytopathology", the examination of cells from the following:
"Hematology", the microscopic evaluation of bone marrow aspirates and biopsies performed by a physician or under the supervision of a physician, and peripheral blood smears when the attending or treating physician or technologist requests that a blood smear be reviewed by a pathologist.
"Histopathology" or "surgical pathology", the gross and microscopic examination of organ tissue performed by a physician or under the supervision of a physician.
"Patient", any natural person receiving health care services.
"Revenue center", a functioning unit of a hospital which provides distinctive services to a patient for a charge.
"Third party payer", an entity including, but not limited to, Title XVIII and Title XIX of the federal Social Security Act programs, other governmental payers, insurance companies, health maintenance organizations and nonprofit hospital service corporations. Third party payer shall not include a purchaser responsible for payment for health care services rendered by a hospital, either to the purchaser or to the hospital.
Mass. Gen. Laws ch. 111, § 225