Z14 ICD-10-CM Code: Genetic carrier
HCC Buddy Code Card
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FY 2026 Apr update / Factors influencing health status and contact with health services (Z00-Z99) / Genetic carrier and genetic susceptibility to disease (Z14-Z15)
Z14
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceGenetic carrier
Genetic carrier
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
Code Trumping
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Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for Z14 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for Z14 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for Z14 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for Z14 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for Z14 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for Z14 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for Z14 in this effective period.
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
What This Code Means
Z14 is the ICD-10-CM diagnosis code for genetic carrier. Z14 sits in the ICD-10-CM chapter for factors influencing health status and contact with health services (z00-z99), within the section covering genetic carrier and genetic susceptibility to disease (z14-z15).
Header codes like Z14 cannot be reported on claims directly, they organize child codes that share clinical context but the actual diagnosis must be coded to the highest level of specificity supported by the documentation. Coders should look at Z14's child codes and select the one that matches the patient's documented presentation, since payers reject header codes submitted as the primary diagnosis. For risk adjustment workflows, header codes never contribute to a Medicare Advantage member's RAF score on their own; only billable child codes that happen to map to a payment HCC affect risk-adjusted plan payments.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for Z14 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.