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Table 2 Concordance of CPT codes By Modified-NYU Codes

From: Defining emergency department episodes by severity and intensity: A 15-year study of Medicare beneficiaries

  Modified-NYU Severity Rating Total
CPT code 1 2 3  
99281 323 (65%) 110 (22%) 67 (13%) 500
99282 936 (62%) 386 (26%) 178 (12%) 1500
99283 2067 (48%) 1437 (33%) 842 (19%) 4346
99284 1752 (30%) 2362 (40%) 1743 (30%) 5857
99285 1206 (19%) 2643 (41%) 2643 (41%) 6492
Total 6284 6938 5473 18695