846 Sprains and strains of sacroiliac region 
846.0 Lumbosacral (joint) (ligament) sprain convert 846.0 to ICD-10-CM 846.1 Sacroiliac (ligament) sprain convert 846.1 to ICD-10-CM 846.2 Sacrospinatus (ligament) sprain convert 846.2 to ICD-10-CM 846.3 Sacrotuberous (ligament) sprain convert 846.3 to ICD-10-CM 846.8 Other specified sites of sacroiliac region sprain convert 846.8 to ICD-10-CM
846.9 Unspecified site of sacroiliac region sprain convert 846.9 to ICD-10-CM