Document ID: chunk:federal_register_of_legislation:F2018L01843:reg:9
Version: federal_register_of_legislation:F2018L01843
Segment Type: reg
Provision Reference: reg 9
Character Range: 4208–5236

9               Factors that must exist
At least one of the following factors must as a minimum exist before it can be said that a reasonable hypothesis has been raised connecting internal derangement of the knee or death from internal derangement of the knee with the circumstances of a person's relevant service:
(1)          having a sprain involving a ligament of the affected knee within the one year before the clinical onset of internal derangement of the knee;
(2)          having an acute meniscal tear of the affected knee within the one year before the clinical onset of internal derangement of the knee;
(3)          having a sprain involving a ligament of the affected knee within the one year before the clinical worsening of internal derangement of the knee;
(4)          having an acute meniscal tear of the affected knee within the one year before the clinical worsening of internal derangement of the knee;
(5)          inability to obtain appropriate clinical management for internal derangement of the knee.