ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.4 > T23.49 T23.49 Corrosion of unspecified degree of multiple sites of wrist and hand Non-Billable/Non-Specific Codes T23.491Corrosion of unspecified degree of multiple sites of right wrist and handT23.491A..., initial encounterT23.491D..., subsequent encounterT23.491S..., sequelaT23.492Corrosion of unspecified degree of multiple sites of left wrist and handT23.492A..., initial encounterT23.492D..., subsequent encounterT23.492S..., sequelaT23.499Corrosion of unspecified degree of multiple sites of unspecified wrist and handT23.499A..., initial encounterT23.499D..., subsequent encounterT23.499S..., sequela