ICD-10-CM > S00-T88 > S50-S59 > S50 > S50.3 > S50.32 S50.32 Blister (nonthermal) of elbow Non-Billable/Non-Specific Codes S50.321Blister (nonthermal) of right elbowS50.321A..., initial encounterS50.321D..., subsequent encounterS50.321S..., sequelaS50.322Blister (nonthermal) of left elbowS50.322A..., initial encounterS50.322D..., subsequent encounterS50.322S..., sequelaS50.329Blister (nonthermal) of unspecified elbowS50.329A..., initial encounterS50.329D..., subsequent encounterS50.329S..., sequela