Medicare claims system knows a character when it sees one.
Walker
L
L
D054598:Blue Cross Blue Shield Insurance Plans / Q000458:organization & administration*; D003284:Contract Services / Q000458:organization & administration; D017046:Cost Savings / Q000379:methods; D017598:Efficiency, Organizational / Q000191:economics; D001330:Electronic Data Processing / Q000191:economics / Q000379:methods*; D007344:Insurance Claim Reporting / Q000191:economics*; D008404:Massachusetts; D006278:Medicare / Q000458:organization & administration*; D014481:United States