ICD-10-CM > S00-T88 > S70-S79 > S70 > S70.2 > S70.22 > S70.229 S70.229 Blister (nonthermal), unspecified hip Non-Billable/Non-Specific Codes S70.229A..., initial encounterS70.229D..., subsequent encounterS70.229S..., sequela