{"data":{"id":"us/42-cfr-37.50","jurisdiction":"us","citation":"42 CFR 37.50","heading":"Interpreting and classifying chest radiographs—film radiography systems.","body":"(a) Chest radiographs must be interpreted and classified in accordance with the Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses (incorporated by reference, see § 37.10). Chest radiograph interpretations and classifications must be recorded on a paper or electronic Chest Radiograph Classification Form (CDC/NIOSH 2.8).\n(b) Radiographs must be interpreted and classified only by a physician who reads chest radiographs in the normal course of practice and who has demonstrated proficiency in classifying the pneumoconioses in accordance with § 37.52.\n(1) Initial clinical interpretations and notification of findings other than pneumoconiosis under paragraph (a) of this section must be provided by a qualified physician who provides these services for the examining facility. This physician must have all required licensure and privileges, and must interpret chest radiographs in the normal course of practice.\n(2) [Reserved]\n(c) All interpreters, whenever interpreting chest radiographs made under the Act, must have immediately available for reference a complete set of the standard radiographs for use with the Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses (incorporated by reference, see § 37.10).\n(d) View boxes used for making interpretations must comply with the following:\n(1) Fluorescent lamps must be simultaneously replaced with new lamps at 6-month intervals;\n(2) All the fluorescent lamps in a panel of boxes must have identical manufacturer's ratings as to intensity and color;\n(3) The glass, internal reflective surfaces, and the lamps must be kept clean;\n(4) The unit must be so situated as to minimize front surface glare.","path":["Title 42—Public Health","CHAPTER I—PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER C—MEDICAL CARE AND EXAMINATIONS","PART 37—SPECIFICATIONS FOR MEDICAL EXAMINATIONS OF COAL MINERS","Subpart—Chest Radiographic Examinations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-42.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:11Z","sha256":"976ad3ca85a4ddf69cd2e140052303bbea3223f6127061c250ecc46d9d3aed8f","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-37.45","next":"us/42-cfr-37.51"},"notice":"GroundRules: Original legal text. Not legal advice."}