B60.02 ICD-10-CM Code: Babesiosis due to Babesia duncani
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FY 2026 Apr update / Certain infectious and parasitic diseases (A00-B99) / Protozoal diseases (B50-B64)
B60.02
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceBabesiosis due to Babesia duncani
Babesiosis is a rare parasitic infection transmitted by tick bites, caused specifically by the Babesia duncani parasite. This infection affects red blood cells and can cause fever, fatigue, and anemia, particularly in people with weakened immune systems.
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
Official- Infection due to B. duncani and B. duncani-type species
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for B60.02 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for B60.02 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for B60.02 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for B60.02 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for B60.02 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for B60.02 in this effective period.
Buddy Documentation Tip
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is B60.02 an HCC code?
No. B60.02 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
- Code
- B60.02
- Description
- Babesiosis due to Babesia duncani
- 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
B60.02 is the ICD-10-CM diagnosis code for babesiosis due to babesia duncani. Babesiosis is a rare parasitic infection transmitted by tick bites, caused specifically by the Babesia duncani parasite. This infection affects red blood cells and can cause fever, fatigue, and anemia, particularly in people with weakened immune systems. B60.02 sits in the ICD-10-CM chapter for certain infectious and parasitic diseases (a00-b99), within the section covering protozoal diseases (b50-b64).
B60.02 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.
Babesia duncani is one of several Babesia species that cause babesiosis in the US; verify the specific organism identified in lab results or culture before coding to ensure accurate subspecies selection.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for B60.02 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Babesia duncani is one of several Babesia species that cause babesiosis in the US; verify the specific organism identified in lab results or culture before coding to ensure accurate subspecies selection
- •This code requires documentation of the causative organism; if only 'babesiosis' is documented without organism identification, use the unspecified babesiosis code (B60.9) instead