ICD-10-CM > S00-T88 > S00-S09 > S09 > S09.1 > S09.10 S09.10 Unspecified injury of muscle and tendon of head Non-Billable/Non-Specific Applicable To Injury of muscle and tendon of head NOS Codes S09.10XA..., initial encounterS09.10XD..., subsequent encounterS09.10XS..., sequela