Wiki Status post Chiari Malformation

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Code: Z87.798
Personal history of other (corrected) congenital malformations
Parent Code Notes: Z87.7
Excludes1: congenital malformations that have been partially corrected or repair but which still require medical treatment - code to condition
Excludes2: other postprocedural states (Z98.-)
personal history of medical treatment (Z92.-)
presence of cardiac and vascular implants and grafts (Z95.-)
presence of other devices (Z97.-)
presence of other functional implants (Z96.-)
transplanted organ and tissue status (Z94.-)
Parent Code Notes: Z87
Code first any follow-up examination after treatment (Z09)

Category Notes
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Code also any follow-up examination (Z08-Z09)

Coding Guidelines
Factors influencing health status and contact with health services (Z00-Z99)
Note: Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
(a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
(b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.


Best answers
Does anyone know the best code to use for this DX.

I'm thinking Z87.798

Any help is appreciated. Thank you!