Chapter 18 - Lower Extremities

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18.01 - Assessments for Lower Extremities

1. Assessments for loss, loss of the use of, or impairment of the lower extremities are shown in the Table to Article 18.01.

Table to Article 18.01
1.	Loss of any toe, other than big toe	3%
2.	Loss of big toe, with head of metatarsal	10%
3.	Loss of foot:
(a)	By midtarsal disarticulation (Chopart's Amputation)	30%
(b)	Between metatarsus and tarsus (Lisfranc's Amputation)	30%
(c)	Amputation of foot at ankle (Pirogoff's Amputation)	50%
(d)	Disarticulation of foot with removal of both malleoli(Syme's Amputation)	50%
4.	Loss of one leg at any level above Syme's Amputation (ankle disarticulation) to 4½" below knee	50%
5.	Loss of leg below knee, less than 11.5 cm. stump	60%
6.	Loss of leg through knee joint	60%
7.	Loss of leg above the knee, lower	70%
8.	Loss of leg, upper third thigh	80%
9.	Loss of leg, upper third thigh	80%
10.	Disarticulation of hip- joint	90%
11.	Loss of both legs at any level, Syme's Amputation or above	100%
12.	Hallux rigidus up to	15%
13.	Bony fusion of ankle, optimum position	20%
14.	Bony fusion of knee, optimum position	30%
15.	Bony fusion of hip- joint, optimum position	50%
16.	Injuries to nerves of leg, with complete loss of function.
(a)	Sciatic	60%
(b)	Lateral popliteal	20%
(c)	Anterior tibial	10%
(d)	Musculo- cutaneous	10%
(e)	Medial popliteal	20%
(f)	Post tibial	10%
(g)	Femoral	50%
17.	Shortening of leg
	(2.5 to 7.5 cm.)	10%
	(7.5 to 13 cm.)	15%
18.	Osteoarthritis hip
	mild	10- 25%
	moderate	25- 35%
	severe	35- 50%
19.	Hallux valgus	0- 10% each foot
20.	Osteoarthritis toes except great toe	less than 3%
20.	Osteoarthritis great toe	1- 5%
21.	Pes planus or pes cavus in general	Nil to 10%
21.	If severe callosities, corns, may consider	15% to 20% rare
22.	Osteoarthritis knee	Nil to 40%
(a)	full range, no effusion, stable, some crepitus	5- 10%
(b)	lacks 10° extension	minimum 15%
(c)	flex only to 90°	minimum 15%
(d)	fused (optimal position)	30%
(e)	unstable, lacks extension or flexes only 90°	minimum 20%
(f)	unstable, effusion, lacks extension or flexion beyond 90°	minimum 20%
(g)	unstable, effusion, lacks extension and flexes less than 90°	25%
(h)	severely affected knee, unstable	30% to 40%
(i)	prosthesis: …………… assess according to function

Date modified:: 2019-02-12