ICD-10-CM > S00-T88 > S10-S19 > S14 > S14.1 > S14.10 > S14.104 S14.104 Unspecified injury at C4 level of cervical spinal cord Non-Billable/Non-Specific Codes S14.104A..., initial encounterS14.104D..., subsequent encounterS14.104S..., sequela