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Net Adjustment Formula: A Mathematical Explanation

New Adjustment may be obtained by a mathematical formula and then use of the resultant value to define the grade. The following abbreviations are used:

   CDX = Class of Diagnosis (Regional Grid)
GMFH = Grade Modifier for Functional History
 GMPE = Grade Modifier for Physical Examination
 GMCS = Grade Modifier for Clinical Studies

Net Adjustment = (GMFH - CDX) + (GMPE - CDX) + (GMCS - CDX)

Grade Assignments

Net Adjustment
(from default C)

Grade

-2

A

-1

B

0

C

1

D

2

E

For example, if the diagnosis is in impairment class 2 then CDX = 2. If net adjustment value is -2, then the Grade is A.

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