S09.31 Primary blast injury of earNon-billable header with 4 child codes.
S09.311 Primary blast injury of right earS09.312 Primary blast injury of left earS09.313 Primary blast injury of ear, bilateralS09.319 Primary blast injury of unspecified earS09.2 Traumatic rupture of ear drum ("traumatic rupture of ear drum due to blast injury (S09.31-)")G96.00 Cerebrospinal fluid leak, unspecified ("head injury (S00-S09)")G96.08 Other cranial cerebrospinal fluid leak ("head injury (S00 - S09)")G96.09 Other spinal cerebrospinal fluid leak ("head injury (S00 - S09)")S09.302S Unspecified injury of left middle and inner ear, sequelaS09.309 Unspecified injury of unspecified middle and inner earS09.309A Unspecified injury of unspecified middle and inner ear, initial encounterS09.309D Unspecified injury of unspecified middle and inner ear, subsequent encounterS09.309S Unspecified injury of unspecified middle and inner ear, sequelaS09.31 Primary blast injury of ear (this code)S09.311 Primary blast injury of right earS09.311A Primary blast injury of right ear, initial encounterS09.311D Primary blast injury of right ear, subsequent encounterS09.311S Primary blast injury of right ear, sequelaS09.312 Primary blast injury of left ear