ICD-10-CM > S00-T88 > S00-S09 > S09 > S09.1 S09.1 Injury of muscle and tendon of head Non-Billable/Non-Specific Code Also any associated open wound (S01.-) Type 2 Excludes sprain to joints and ligament of head (S03.9) Codes S09.10Unspecified injury of muscle and tendon of headS09.10XA..., initial encounterS09.10XD..., subsequent encounterS09.10XS..., sequelaS09.11Strain of muscle and tendon of headS09.11XA..., initial encounterS09.11XD..., subsequent encounterS09.11XS..., sequelaS09.12Laceration of muscle and tendon of headS09.12XA..., initial encounterS09.12XD..., subsequent encounterS09.12XS..., sequelaS09.19Other specified injury of muscle and tendon of headS09.19XA..., initial encounterS09.19XD..., subsequent encounterS09.19XS..., sequela