Z15.2 – Genetic susceptibility to obesity

ICD-10-CM 2027 diagnosis code · Genetic carrier and genetic susceptibility to disease

Billable code

ICD-10-CM code Z15.2

Code: Z15.2 (claims format: Z152)
Description: Genetic susceptibility to obesity
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z14-Z15 Genetic carrier and genetic susceptibility to disease
Parent codes: Z15

Notes for Z15.2

Use additional code:

code to identify body mass index (BMI), if known (Z68.-)

Code also:

, if applicable, any associated manifestations, such as:
other obesity (E66.8-)
polyphagia (R63.2)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z15 – Genetic susceptibility to disease

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)

Index terms for Z15.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Genetic, susceptibility to disease NEC, obesity

Related codes in Z15

Frequently asked questions

What is ICD-10 code Z15.2?

Z15.2 is the ICD-10-CM code for genetic susceptibility to obesity, in the block Z14-Z15 (Genetic carrier and genetic susceptibility to disease).

Is Z15.2 a billable code?

Yes. Z15.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z15.2 belong to?

It belongs to category Z15 – Genetic susceptibility to disease.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.