V18.9
ICD-9-CMThis code indicates that a patient has a family history of a genetic condition where a family member is known to be a carrier of the disease, but the patient themselves is not necessarily affected or a known carrier. It signifies a familial predisposition to a genetic disorder, without specifying the particular disease.
Use this code when documenting a patient's family history that includes a relative identified as a carrier for an unspecified genetic disease. This is particularly relevant during genetic counseling, prenatal care, or when assessing risk for inherited conditions. It helps to flag potential genetic risks for further investigation.
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Code History