When more than one of the sub-paragraphs listed in paragraphs (a) or (b) below apply to the subject, the higher of the percentages set forth beside the sub-paragraphs existing in the subject shall be determined.
(a) Restrictions in the ability to move joints:
(1) Restriction in the ability to move the hip joint is accompanied by a bent contraction (limitation in extension) exceeding 30° and movement in the hip joint (abduction or adduction or rotation) is less than 20°. | 50% |
| (2) Paragraph 1 above on both sides | 80% |
| (3) Restriction in knee mobility is accompanied by flexion under 135° and extension under 160°. | 60% |
| (4) Section 3 above on both sides. | 80% |
| (5) Stepping on the outside of the feet - Pes varus maxius bilateralis | 40% |
| (6) Pes equino-varus bilateralis | 40% |
| (7) Stepping on the inside of the feet.Pes valgus maxius bilateralis | 40% |
(B) Replacement of hip or knee joints:
(1) Condition after the replacement of one joint, when there are clinical, X-ray or other imaging signs, pointing to the loosening of the joint | 60% |
| (2) Condition after repeated replacement of one joint | 50% |
| (3) Condition after replacement of two joints | 70% |
| (4) Condition after replacement of three joints | 80% |
| (5) Condition after replacement of four joints | 100% |