ICD-10-CM > S00-T88 > T80-T88 > T82 > T82.2 > T82.22 T82.22 Mechanical complication of biological heart valve graft Non-Billable/Non-Specific Codes T82.221Breakdown (mechanical) of biological heart valve graftT82.221A..., initial encounterT82.221D..., subsequent encounterT82.221S..., sequelaT82.222Displacement of biological heart valve graftT82.222A..., initial encounterT82.222D..., subsequent encounterT82.222S..., sequelaT82.223Leakage of biological heart valve graftT82.223A..., initial encounterT82.223D..., subsequent encounterT82.223S..., sequelaT82.228Other mechanical complication of biological heart valve graftT82.228A..., initial encounterT82.228D..., subsequent encounterT82.228S..., sequela