A95.1 ICD-10-CM Code: Urban yellow fever
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Certain infectious and parasitic diseases (A00-B99) / Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)
A95.1
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceUrban yellow fever
Urban yellow fever is a serious viral infection transmitted by mosquitoes in city environments, causing fever, jaundice, and potentially life-threatening complications. This form of the disease spreads more easily in populated areas where infected mosquitoes have contact with many people.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for A95.1 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for A95.1 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for A95.1 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for A95.1 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for A95.1 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for A95.1 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for A95.1 in this effective period.
Buddy Documentation Tip
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.
Is A95.1 an HCC code?
No. A95.1 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
- Code
- A95.1
- Description
- Urban yellow fever
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF
- —
- Billable
- Yes
- Payment year
- 2026
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A95.1 is the ICD-10-CM diagnosis code for urban yellow fever. Urban yellow fever is a serious viral infection transmitted by mosquitoes in city environments, causing fever, jaundice, and potentially life-threatening complications. This form of the disease spreads more easily in populated areas where infected mosquitoes have contact with many people. A95.1 sits in the ICD-10-CM chapter for certain infectious and parasitic diseases (a00-b99), within the section covering arthropod-borne viral fevers and viral hemorrhagic fevers (a90-a99).
A95.1 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Verify the documentation specifies 'urban' yellow fever rather than jungle or sylvatic yellow fever, as this distinction affects the epidemiological classification and public health reporting.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for A95.1 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Verify the documentation specifies 'urban' yellow fever rather than jungle or sylvatic yellow fever, as this distinction affects the epidemiological classification and public health reporting
- •Ensure the yellow fever diagnosis is confirmed through clinical presentation and/or laboratory testing; do not code suspected or probable cases without physician confirmation