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