B42.7 ICD-10-CM Code: Disseminated sporotrichosis
HCC Buddy Code Card
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FY 2026 Apr update / Certain infectious and parasitic diseases (A00-B99) / Mycoses (B35-B49)
B42.7
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceDisseminated sporotrichosis
A widespread fungal infection caused by Sporothrix that has spread throughout the body beyond the initial infection site.
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
Official- Generalized sporotrichosis
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for B42.7 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for B42.7 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for B42.7 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for B42.7 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for B42.7 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for B42.7 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 B42.7 an HCC code?
No. B42.7 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
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
B42.7 is the ICD-10-CM diagnosis code for disseminated sporotrichosis. A widespread fungal infection caused by Sporothrix that has spread throughout the body beyond the initial infection site. B42.7 sits in the ICD-10-CM chapter for certain infectious and parasitic diseases (a00-b99), within the section covering mycoses (b35-b49).
B42.7 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.
Disseminated sporotrichosis indicates systemic spread; document the extent and organs involved for complete clinical picture.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for B42.7 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Disseminated sporotrichosis indicates systemic spread; document the extent and organs involved for complete clinical picture
- •Verify if this is primary disseminated or secondary to untreated localized sporotrichosis