ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.1 > T23.16 > T23.169 T23.169 Burn of first degree of back of unspecified hand Non-Billable/Non-Specific Codes T23.169A..., initial encounterT23.169D..., subsequent encounterT23.169S..., sequela