440.30—Other laboratory and X-ray services.
         Other laboratory and X-ray services means professional and technical laboratory and radiological services—
    
    
        
        (a) 
         Ordered and provided by or under the direction of a physician or other licensed practioner of the healing arts within the scope of his practice as defined by State law or ordered by a physician but provided by referral laboratory;
    
    
        
        (b) 
         Provided in an office or similar facility other than a hospital outpatient department or clinic; and
    
    
    [46 FR 42672, Aug. 24, 1981, as amended at 57 FR 7135, Feb. 28, 1992]