ICD-10-CM > R00-R99 > R25-R29 > R29 > R29.8 R29.8 Other symptoms and signs involving the nervous and musculoskeletal systems Non-Billable/Non-Specific Codes R29.81Other symptoms and signs involving the nervous systemR29.810Facial weaknessR29.818Other symptoms and signs involving the nervous systemR29.89Other symptoms and signs involving the musculoskeletal systemR29.890Loss of heightR29.891Ocular torticollisR29.898Other symptoms and signs involving the musculoskeletal system