ICD-10-CM > S00-T88 > S90-S99 > S93 > S93.4 S93.4 Sprain of ankle Non-Billable/Non-Specific Type 2 Excludes injury of Achilles tendon (S86.0-) Codes S93.40Sprain of unspecified ligament of ankleS93.401Sprain of unspecified ligament of right ankleS93.401A..., initial encounterS93.401D..., subsequent encounterS93.401S..., sequelaS93.402Sprain of unspecified ligament of left ankleS93.402A..., initial encounterS93.402D..., subsequent encounterS93.402S..., sequelaS93.409Sprain of unspecified ligament of unspecified ankleS93.409A..., initial encounterS93.409D..., subsequent encounterS93.409S..., sequelaS93.41Sprain of calcaneofibular ligamentS93.411Sprain of calcaneofibular ligament of right ankleS93.411A..., initial encounterS93.411D..., subsequent encounterS93.411S..., sequelaS93.412Sprain of calcaneofibular ligament of left ankleS93.412A..., initial encounterS93.412D..., subsequent encounterS93.412S..., sequelaS93.419Sprain of calcaneofibular ligament of unspecified ankleS93.419A..., initial encounterS93.419D..., subsequent encounterS93.419S..., sequelaS93.42Sprain of deltoid ligamentS93.421Sprain of deltoid ligament of right ankleS93.421A..., initial encounterS93.421D..., subsequent encounterS93.421S..., sequelaS93.422Sprain of deltoid ligament of left ankleS93.422A..., initial encounterS93.422D..., subsequent encounterS93.422S..., sequelaS93.429Sprain of deltoid ligament of unspecified ankleS93.429A..., initial encounterS93.429D..., subsequent encounterS93.429S..., sequelaS93.43Sprain of tibiofibular ligamentS93.431Sprain of tibiofibular ligament of right ankleS93.431A..., initial encounterS93.431D..., subsequent encounterS93.431S..., sequelaS93.432Sprain of tibiofibular ligament of left ankleS93.432A..., initial encounterS93.432D..., subsequent encounterS93.432S..., sequelaS93.439Sprain of tibiofibular ligament of unspecified ankleS93.439A..., initial encounterS93.439D..., subsequent encounterS93.439S..., sequelaS93.49Sprain of other ligament of ankleS93.491Sprain of other ligament of right ankleS93.491A..., initial encounterS93.491D..., subsequent encounterS93.491S..., sequelaS93.492Sprain of other ligament of left ankleS93.492A..., initial encounterS93.492D..., subsequent encounterS93.492S..., sequelaS93.499Sprain of other ligament of unspecified ankleS93.499A..., initial encounterS93.499D..., subsequent encounterS93.499S..., sequela