CD.DR.03 ImpairmentLevel

This code directory lists various levels of impairments used to assess disabilities. Impairment levels be prescribed assessment system used such as the national system, or established systems like World Health Organization Disability Assessment Schedule (WHODAS), Washington Group (WG) or ICF .

The tables below provide examples of impairment levels according to WHODAS, WG, and ICF assessment systems.

WHODAS

No.	Description
0	None
1	Mild
2	Moderate
3	Severe
4	Extreme or cannot do

WG

No.	Description
1	No difficulty
2	Some difficulty
3	A lot of difficulty
4	Cannot do at all
5	Refused
6	Don't know

ICF

No	Description
0	No difficulty
1	Mild difficulty
2	Moderate difficulty
3	Severe difficulty
4	Completed
5	Not specified
6	Not Applicable