Minnesota Administrative Rules
Agency 151 - Labor and Industry Department
Chapter 5223 - DISABILITY SCHEDULES
Part 5223.0140 - MUSCULOSKELETAL SCHEDULE; FINGERS
Universal Citation: MN Rules 5223.0140
Current through Register Vol. 48, No. 39, March 25, 2024
Subpart 1. General.
Permanent partial disability of fingers is a disability of the whole body as set in subpart 2.
Subp. 2. Ankylosis of joints.
A. Thumb.
(1) Total ankylosis interphalangeal joint:
(a) optimum position, 0 to 15 degrees, 8
percent;
(b) malposition, flexion
greater than 15 degrees, 14 percent.
(2) Total ankylosis metacarpophalangeal
joint:
(a) optimum position, up to 25 degree
flexion, 10.5 percent;
(b)
malposition, flexion greater than 25 degrees, 14 percent.
(3) Total ankylosis both interphalangeal and
metacarpophalangeal joints:
(a) optimum
position, 16 percent;
(b)
malposition, 18 percent.
(4) Total ankylosis carpometacarpal joint
alone:
(a) optimum position, 4
percent;
(b) malposition, 8
percent.
(5) Total
ankylosis interphalangeal, metacarpophalangeal, and carpometacarpophalangeal
joints:
(a) optimum position, 19
percent;
(b) malposition, 21
percent.
(6) Limitation
of motion, thumb:
(a) mild, total closing
motion tip of digit, can flex to touch palm, and extend to 15 degrees flexion,
strength of grip normal, 3 percent;
(b) moderate, total closing motion, tip of
digit, lacks 1/2 inch of touching palm and can extend to 30 degrees flexion, 6
percent;
(c) severe, total closing
motion tip of digit lacks one inch of touching palm and can extend to 45
degrees flexion, 9 percent.
B. Digits other than thumb.
(1) To rate any digit excluding the thumb,
find the appropriate descriptive category in item A, then multiply the rating
by the following factor for the involved digit:
(a) index finger, multiply by 0.6;
(b) middle finger, multiply by 0.5;
(c) ring finger, multiply by 0.25;
(d) little finger, multiply by
0.125.
(2) Total
ankylosis of distal interphalangeal joint, multiply rating in unit (a) or (b)
by multiplier for involved digit in subitem (1):
(a) optimum position, 5.5 percent;
(b) malposition, flexed 35 degrees or more, 8
percent.
C.
Soft tissue loss, isolated soft tissue loss of the end of digit greater than
one centimeter, 20 percent of the disability to the whole body for amputation
of that digit as set forth at part
5223.0080.
Statutory Authority: MS s 176.105
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