Z15 is the authoritative medical code for Genetic susceptibility to disease. This classification is used in medical billing and clinical recording to specify the clinical criteria for genetic susceptibility to disease (ICD-10-CM Z15), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Genetic susceptibility to disease is a non-billable ICD-10-CM category code Z15. A more specific billable subcode must be selected for claims submission. Includes: confirmed abnormal gene. Excludes1 (not coded here): chromosomal anomalies Q90-Q99. Use additional code: code, if applicable, for any associated family history of the disease Z80-Z84.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Z15 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- chromosomal anomalies Q90-Q99
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code, if applicable, for any associated family history of the disease Z80-Z84
Frequently Asked Questions (FAQ) & Clinical Guidance
Can Z15 be billed directly?
No. Z15 (Genetic susceptibility to disease) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with Z15?
Per Excludes1 instructions, Z15 must not be reported with: chromosomal anomalies (Q90-Q99).
Is an additional code needed with Z15?
Use additional code(s) to specify: code, if applicable, for any associated family history of the disease (Z80-Z84).
Codes in This Family (17)
Official ICD-10-CM classifications in the same code family as Z15, with their registry titles.
- Z15.0 — Genetic susceptibility to malignant neoplasm
- Z15.01 — Genetic susceptibility to malignant neoplasm of breast
- Z15.02 — Genetic susceptibility to malignant neoplasm of ovary
- Z15.03 — Genetic susceptibility to malignant neoplasm of prostate
- Z15.04 — Genetic susceptibility to malignant neoplasm of endometrium
- Z15.05 — Genetic susceptibility to malignant neoplasm of fallopian tube(s)
- Z15.06 — Genetic susceptibility to malignant neoplasm of digestive system
- Z15.060 — Genetic susceptibility to colorectal cancer
- Z15.068 — Genetic susceptibility to other malignant neoplasm of digestive system
- Z15.07 — Genetic susceptibility to malignant neoplasm of urinary tract
- Z15.09 — Genetic susceptibility to other malignant neoplasm
- Z15.1 — Genetic susceptibility to epilepsy and neurodevelopmental disorders
- Z15.2 — Genetic susceptibility to obesity
- Z15.3 — Genetic susceptibility to kidney disease
- Z15.8 — Genetic susceptibility to other disease
- Z15.81 — Genetic susceptibility to multiple endocrine neoplasia [MEN]
- Z15.89 — Genetic susceptibility to other disease
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code Z11
Encounter for screening for infectious and parasitic diseases
ICD Code Z12
Encounter for screening for malignant neoplasms
ICD Code Z13
Encounter for screening for other diseases and disorders
ICD Code Z17
Estrogen, and other hormones and factors receptor status
ICD Code Z20
Contact with and (suspected) exposure to communicable diseases