Z15 Genetic susceptibility to disease

Category / Non-billable header 17 subcodes

Block: Genetic carrier and genetic susceptibility to disease (Z14-Z15)

Includes

  • confirmed abnormal gene

Excludes 1 (cannot be coded together)

  • chromosomal anomalies (Q90-Q99)

Use Additional Code

  • code, if applicable, for any associated family history of the disease (Z80-Z84)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
Z15..0 Genetic susceptibility to malignant neoplasm No
Z15..01 Genetic susceptibility to malignant neoplasm of breast Yes
Z15..02 Genetic susceptibility to malignant neoplasm of ovary Yes
Z15..03 Genetic susceptibility to malignant neoplasm of prostate Yes
Z15..04 Genetic susceptibility to malignant neoplasm of endometrium Yes
Z15..05 Genetic susceptibility to malignant neoplasm of fallopian tube(s) Yes
Z15..06 Genetic susceptibility to malignant neoplasm of digestive system No
Z15..060 Genetic susceptibility to colorectal cancer Yes
Z15..068 Genetic susceptibility to other malignant neoplasm of digestive system Yes
Z15..07 Genetic susceptibility to malignant neoplasm of urinary tract Yes
Z15..09 Genetic susceptibility to other malignant neoplasm Yes
Z15..1 Genetic susceptibility to epilepsy and neurodevelopmental disorders Yes
Z15..2 Genetic susceptibility to obesity Yes
Z15..3 Genetic susceptibility to kidney disease Yes
Z15..8 Genetic susceptibility to other disease No
Z15..81 Genetic susceptibility to multiple endocrine neoplasia [MEN] Yes
Z15..89 Genetic susceptibility to other disease Yes

Last reviewed: September 2026