ICD-10-CM > S00-T88 > S10-S19 > S13 > S13.4 S13.4 Sprain of ligaments of cervical spine Non-Billable/Non-Specific Applicable To Sprain of anterior longitudinal (ligament), cervicalSprain of atlanto-axial (joints)Sprain of atlanto-occipital (joints)Whiplash injury of cervical spine Codes S13.4XXA..., initial encounterS13.4XXD..., subsequent encounterS13.4XXS..., sequela