ICD-10-CM > A00-B99 > A30-A49 > A36 A36 Diphtheria Non-Billable/Non-Specific Codes A36.0Pharyngeal diphtheriaA36.1Nasopharyngeal diphtheriaA36.2Laryngeal diphtheriaA36.3Cutaneous diphtheriaA36.8Other diphtheriaA36.81Diphtheritic cardiomyopathyA36.82Diphtheritic radiculomyelitisA36.83Diphtheritic polyneuritisA36.84Diphtheritic tubulo-interstitial nephropathyA36.85Diphtheritic cystitisA36.86Diphtheritic conjunctivitisA36.89Other diphtheritic complicationsA36.9Diphtheria, unspecified