ICD-10-CM > S00-T88 > T80-T88 > T86 > T86.8 > T86.84 > T86.840 T86.840 Corneal transplant rejection Non-Billable/Non-Specific Codes T86.8401Corneal transplant rejection, right eyeT86.8402Corneal transplant rejection, left eyeT86.8403Corneal transplant rejection, bilateralT86.8409Corneal transplant rejection, unspecified eye