Z14-Z14
Medium Complexity

Genetic carrier and genetic susceptibility to disease

Primary Specialty: Genetics
Last Updated: 2025-09-09

ICD-10 Codes (0)

0 billable
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Updates & Changes

FY 2026 Updates

Current Year

Deleted Codes

No codes deleted in this range for FY 2026

No significant changes for FY 2026

This range maintains stability with current coding practices

Historical Changes

  • FY 2025: Routine maintenance updates with minor terminology clarifications
  • FY 2024: Enhanced specificity requirements for certain code ranges
  • FY 2023: Updated documentation guidelines for improved clarity

Upcoming Changes

  • Proposed updates pending review by Coordination and Maintenance Committee
  • Under consideration: Enhanced digital health integration codes

Implementation Guidance

  • Review all FY 2026 updates for Z14-Z14 codes before implementation
  • Always verify the most current codes in the ICD-10-CM manual
  • Ensure clinical documentation supports the selected diagnosis codes
  • +3 more guidance items...

Range Overview

high priority

The Z14-Z14 category in ICD-10 is dedicated to codes representing genetic carrier and genetic susceptibility to disease. These codes are used to indicate when a patient carries a gene that could potentially cause disease in their offspring or has a genetic predisposition to certain diseases. They are essential in preventive medicine, family planning, and genetic counseling.

Key Usage Points:

  • Z14 codes are used when a patient is known to carry a gene for a disease.
  • These codes are also used when a patient has a genetic susceptibility to a disease.
  • Z14 codes are not diagnosis codes but are used for risk assessment and counseling.
  • These codes are often used in conjunction with other codes to provide a complete patient picture.
  • Z14 codes are crucial in preventive medicine and genetic counseling.

Coding Guidelines

When to Use:

  • When a patient is a known carrier of a disease-causing gene.
  • When a patient has a genetic predisposition to a disease.
  • When a patient is undergoing genetic counseling.
  • When a patient is being assessed for risk of a genetic disease.
  • When documenting family history of genetic diseases.

When NOT to Use:

  • When a patient has been diagnosed with a disease.
  • When a patient is suspected but not confirmed to be a carrier.
  • When a patient has a family history of a disease but no known genetic susceptibility.
  • When a patient has undergone genetic testing with negative results.
  • When a patient's genetic status is unknown.

Code Exclusions

Always verify that the patient's status as a carrier or genetically susceptible has been confirmed before using Z14 codes.

Documentation Requirements

When using Z14 codes, documentation must clearly indicate the patient's status as a genetic carrier or their genetic susceptibility. The specific gene or disease should be identified, and any genetic testing results should be included.

Clinical Information:

  • Confirmation of patient's status as a carrier or genetically susceptible.
  • Specific gene or disease identified.
  • Results of genetic testing.
  • Family history of genetic diseases.
  • Purpose of visit (e.g., genetic counseling, risk assessment).

Supporting Evidence:

  • Genetic test results.
  • Family medical history records.
  • Consultation notes from genetic counseling.
  • Risk assessment results.
Good Documentation Example:

Patient is a known carrier of the BRCA1 gene, confirmed by genetic testing. She is here for genetic counseling and risk assessment for breast cancer.

Poor Documentation Example:

Patient is here for genetic counseling.

Common Documentation Errors:

  • Not specifying the gene or disease.
  • Not including genetic test results.
  • Using Z14 codes for diagnosed diseases.
  • Not confirming the patient's carrier or susceptibility status.

Range Statistics

2
Total Codes
0
Billable
Complexity:
Medium
Primary Use:Clinical Documentation
Chapter:21

Coding Complexity

Medium
Complexity Rating

Z14 codes require a thorough understanding of genetics and the ability to interpret genetic test results. They also require careful navigation of family medical history and an understanding of the purpose of the patient's visit.

Key Factors:
  • Determining carrier vs. susceptibility status.
  • Identifying the specific gene or disease.
  • Interpreting genetic test results.
  • Navigating family medical history.
  • Understanding the purpose of the visit (counseling, risk assessment, etc.).

Specialty Focus

Z14 codes are most commonly used in genetics, obstetrics and gynecology, and oncology. They are essential in genetic counseling, risk assessment, and family planning.

Primary Specialties:
Genetics
40%
Obstetrics and Gynecology
30%
Oncology
30%
Clinical Scenarios:
  • A woman known to carry the BRCA1 gene seeking genetic counseling.
  • A man with a family history of Huntington's disease undergoing genetic testing.
  • A pregnant woman who is a carrier of the cystic fibrosis gene.
  • A woman with a family history of breast cancer undergoing risk assessment.
  • A man found to have a genetic susceptibility to colon cancer.

Resources & References

The official ICD-10-CM guidelines provide the most comprehensive information on using Z14 codes. Clinical references on genetics and genetic testing can also be helpful.

Official Guidelines:

  • ICD-10-CM Official Guidelines for Coding and Reporting
  • American Medical Association's CPT Assistant
  • National Center for Biotechnology Information (NCBI)

Clinical References:

  • Genetics Home Reference from the U.S. National Library of Medicine
  • National Human Genome Research Institute

Educational Materials:

  • American Health Information Management Association (AHIMA) resources
  • American Academy of Professional Coders (AAPC) resources

Frequently Asked Questions

Can Z14 codes be used as primary codes?

Yes, Z14 codes can be used as primary codes when the reason for the visit is genetic counseling or risk assessment.